Home / 2,590,853.80-3,886,280.70-2,422,892.20

Finding the Fourth Proportional to 2,590,853.80, 3,886,280.70 and 2,422,892.20

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Solution

The fourth proportional to 2,590,853.80, 3,886,280.70 and 2,422,892.20 is: 3,634,338.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,590,853.80 : 3,886,280.70 = 2,422,892.20 : x
  2. Step 2: Convert to fraction form
    2,590,853.80/3,886,280.70 = 2,422,892.20/x
  3. Step 3: Cross multiply
    2,590,853.80x = 3,886,280.70 × 2,422,892.20
  4. Step 4: Simplify right side
    2,590,853.80x = 9,416,039,195,040.54
  5. Step 5: Solve for x
    x = 9,416,039,195,040.54/2,590,853.80
  6. Step 6: Final answer
    x = 3,634,338.30

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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.