Home / 2,752,891.20-4,129,336.80-731,447.10

Finding the Fourth Proportional to 2,752,891.20, 4,129,336.80 and 731,447.10

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Solution

The fourth proportional to 2,752,891.20, 4,129,336.80 and 731,447.10 is: 1,097,170.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,752,891.20 : 4,129,336.80 = 731,447.10 : x
  2. Step 2: Convert to fraction form
    2,752,891.20/4,129,336.80 = 731,447.10/x
  3. Step 3: Cross multiply
    2,752,891.20x = 4,129,336.80 × 731,447.10
  4. Step 4: Simplify right side
    2,752,891.20x = 3,020,391,427,283.28
  5. Step 5: Solve for x
    x = 3,020,391,427,283.28/2,752,891.20
  6. Step 6: Final answer
    x = 1,097,170.65

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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.