Home / 3,168,555.20-4,752,832.80-2,820,190.40

Finding the Fourth Proportional to 3,168,555.20, 4,752,832.80 and 2,820,190.40

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Solution

The fourth proportional to 3,168,555.20, 4,752,832.80 and 2,820,190.40 is: 4,230,285.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,168,555.20 : 4,752,832.80 = 2,820,190.40 : x
  2. Step 2: Convert to fraction form
    3,168,555.20/4,752,832.80 = 2,820,190.40/x
  3. Step 3: Cross multiply
    3,168,555.20x = 4,752,832.80 × 2,820,190.40
  4. Step 4: Simplify right side
    3,168,555.20x = 13,403,893,435,365.12
  5. Step 5: Solve for x
    x = 13,403,893,435,365.12/3,168,555.20
  6. Step 6: Final answer
    x = 4,230,285.60

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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.