Home / 3,909,502.27-5,389,132.67-2,744,680.78

Finding the Fourth Proportional to 3,909,502.27, 5,389,132.67 and 2,744,680.78

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Solution

The fourth proportional to 3,909,502.27, 5,389,132.67 and 2,744,680.78 is: 3,783,460.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,909,502.27 : 5,389,132.67 = 2,744,680.78 : x
  2. Step 2: Convert to fraction form
    3,909,502.27/5,389,132.67 = 2,744,680.78/x
  3. Step 3: Cross multiply
    3,909,502.27x = 5,389,132.67 × 2,744,680.78
  4. Step 4: Simplify right side
    3,909,502.27x = 14,791,448,833,273.42
  5. Step 5: Solve for x
    x = 14,791,448,833,273.42/3,909,502.27
  6. Step 6: Final answer
    x = 3,783,460.87

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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.