Home / 2,578,591.92-3,869,566.20-981,168.24

Finding the Fourth Proportional to 2,578,591.92, 3,869,566.20 and 981,168.24

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Solution

The fourth proportional to 2,578,591.92, 3,869,566.20 and 981,168.24 is: 1,472,390.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,578,591.92 : 3,869,566.20 = 981,168.24 : x
  2. Step 2: Convert to fraction form
    2,578,591.92/3,869,566.20 = 981,168.24/x
  3. Step 3: Cross multiply
    2,578,591.92x = 3,869,566.20 × 981,168.24
  4. Step 4: Simplify right side
    2,578,591.92x = 3,796,695,458,017.49
  5. Step 5: Solve for x
    x = 3,796,695,458,017.49/2,578,591.92
  6. Step 6: Final answer
    x = 1,472,390.97

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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.