Home / 2,520,191.80-3,780,287.70-2,221,010.20

Finding the Fourth Proportional to 2,520,191.80, 3,780,287.70 and 2,221,010.20

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Solution

The fourth proportional to 2,520,191.80, 3,780,287.70 and 2,221,010.20 is: 3,331,515.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,520,191.80 : 3,780,287.70 = 2,221,010.20 : x
  2. Step 2: Convert to fraction form
    2,520,191.80/3,780,287.70 = 2,221,010.20/x
  3. Step 3: Cross multiply
    2,520,191.80x = 3,780,287.70 × 2,221,010.20
  4. Step 4: Simplify right side
    2,520,191.80x = 8,396,057,540,634.54
  5. Step 5: Solve for x
    x = 8,396,057,540,634.54/2,520,191.80
  6. Step 6: Final answer
    x = 3,331,515.30

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.