Home / 3,976,869.66-5,486,334.39-2,687,240.22

Finding the Fourth Proportional to 3,976,869.66, 5,486,334.39 and 2,687,240.22

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Solution

The fourth proportional to 3,976,869.66, 5,486,334.39 and 2,687,240.22 is: 3,707,211.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,976,869.66 : 5,486,334.39 = 2,687,240.22 : x
  2. Step 2: Convert to fraction form
    3,976,869.66/5,486,334.39 = 2,687,240.22/x
  3. Step 3: Cross multiply
    3,976,869.66x = 5,486,334.39 × 2,687,240.22
  4. Step 4: Simplify right side
    3,976,869.66x = 14,743,098,433,177.17
  5. Step 5: Solve for x
    x = 14,743,098,433,177.17/3,976,869.66
  6. Step 6: Final answer
    x = 3,707,211.88

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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.