Home / 5,078,155.92-7,007,855.28-2,902,746.24

Finding the Fourth Proportional to 5,078,155.92, 7,007,855.28 and 2,902,746.24

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Solution

The fourth proportional to 5,078,155.92, 7,007,855.28 and 2,902,746.24 is: 4,005,789.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,078,155.92 : 7,007,855.28 = 2,902,746.24 : x
  2. Step 2: Convert to fraction form
    5,078,155.92/7,007,855.28 = 2,902,746.24/x
  3. Step 3: Cross multiply
    5,078,155.92x = 7,007,855.28 × 2,902,746.24
  4. Step 4: Simplify right side
    5,078,155.92x = 20,342,025,564,484.15
  5. Step 5: Solve for x
    x = 20,342,025,564,484.15/5,078,155.92
  6. Step 6: Final answer
    x = 4,005,789.87

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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.