Home / 5,381,983.92-7,428,937.56-3,207,209.04

Finding the Fourth Proportional to 5,381,983.92, 7,428,937.56 and 3,207,209.04

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Solution

The fourth proportional to 5,381,983.92, 7,428,937.56 and 3,207,209.04 is: 4,427,020.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,381,983.92 : 7,428,937.56 = 3,207,209.04 : x
  2. Step 2: Convert to fraction form
    5,381,983.92/7,428,937.56 = 3,207,209.04/x
  3. Step 3: Cross multiply
    5,381,983.92x = 7,428,937.56 × 3,207,209.04
  4. Step 4: Simplify right side
    5,381,983.92x = 23,826,155,700,027.54
  5. Step 5: Solve for x
    x = 23,826,155,700,027.54/5,381,983.92
  6. Step 6: Final answer
    x = 4,427,020.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.