Home / 3,131,468.24-4,321,532.55-2,987,979.17

Finding the Fourth Proportional to 3,131,468.24, 4,321,532.55 and 2,987,979.17

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Solution

The fourth proportional to 3,131,468.24, 4,321,532.55 and 2,987,979.17 is: 4,123,512.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,131,468.24 : 4,321,532.55 = 2,987,979.17 : x
  2. Step 2: Convert to fraction form
    3,131,468.24/4,321,532.55 = 2,987,979.17/x
  3. Step 3: Cross multiply
    3,131,468.24x = 4,321,532.55 × 2,987,979.17
  4. Step 4: Simplify right side
    3,131,468.24x = 12,912,649,234,407.04
  5. Step 5: Solve for x
    x = 12,912,649,234,407.04/3,131,468.24
  6. Step 6: Final answer
    x = 4,123,512.76

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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.