Home / 5,681,631.76-7,840,605.12-3,103,314.28

Finding the Fourth Proportional to 5,681,631.76, 7,840,605.12 and 3,103,314.28

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Solution

The fourth proportional to 5,681,631.76, 7,840,605.12 and 3,103,314.28 is: 4,282,548.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,681,631.76 : 7,840,605.12 = 3,103,314.28 : x
  2. Step 2: Convert to fraction form
    5,681,631.76/7,840,605.12 = 3,103,314.28/x
  3. Step 3: Cross multiply
    5,681,631.76x = 7,840,605.12 × 3,103,314.28
  4. Step 4: Simplify right side
    5,681,631.76x = 24,331,861,832,737.11
  5. Step 5: Solve for x
    x = 24,331,861,832,737.11/5,681,631.76
  6. Step 6: Final answer
    x = 4,282,548.19

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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.