Home / 5,120,957.52-7,681,337.40-1,529,158.16

Finding the Fourth Proportional to 5,120,957.52, 7,681,337.40 and 1,529,158.16

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Solution

The fourth proportional to 5,120,957.52, 7,681,337.40 and 1,529,158.16 is: 2,293,707.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,120,957.52 : 7,681,337.40 = 1,529,158.16 : x
  2. Step 2: Convert to fraction form
    5,120,957.52/7,681,337.40 = 1,529,158.16/x
  3. Step 3: Cross multiply
    5,120,957.52x = 7,681,337.40 × 1,529,158.16
  4. Step 4: Simplify right side
    5,120,957.52x = 11,745,979,764,923.18
  5. Step 5: Solve for x
    x = 11,745,979,764,923.18/5,120,957.52
  6. Step 6: Final answer
    x = 2,293,707.71

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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.