Home / 3,478,139.10-5,217,208.65-953,790.30

Finding the Fourth Proportional to 3,478,139.10, 5,217,208.65 and 953,790.30

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Solution

The fourth proportional to 3,478,139.10, 5,217,208.65 and 953,790.30 is: 1,430,685.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,478,139.10 : 5,217,208.65 = 953,790.30 : x
  2. Step 2: Convert to fraction form
    3,478,139.10/5,217,208.65 = 953,790.30/x
  3. Step 3: Cross multiply
    3,478,139.10x = 5,217,208.65 × 953,790.30
  4. Step 4: Simplify right side
    3,478,139.10x = 4,976,123,003,446.10
  5. Step 5: Solve for x
    x = 4,976,123,003,446.10/3,478,139.10
  6. Step 6: Final answer
    x = 1,430,685.45

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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.