Home / 5,387,126.27-7,434,392.22-2,939,895.34

Finding the Fourth Proportional to 5,387,126.27, 7,434,392.22 and 2,939,895.34

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Solution

The fourth proportional to 5,387,126.27, 7,434,392.22 and 2,939,895.34 is: 4,057,141.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,387,126.27 : 7,434,392.22 = 2,939,895.34 : x
  2. Step 2: Convert to fraction form
    5,387,126.27/7,434,392.22 = 2,939,895.34/x
  3. Step 3: Cross multiply
    5,387,126.27x = 7,434,392.22 × 2,939,895.34
  4. Step 4: Simplify right side
    5,387,126.27x = 21,856,335,024,724.27
  5. Step 5: Solve for x
    x = 21,856,335,024,724.27/5,387,126.27
  6. Step 6: Final answer
    x = 4,057,141.78

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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.