Home / 3,943,718.76-5,442,331.92-2,132,882.76

Finding the Fourth Proportional to 3,943,718.76, 5,442,331.92 and 2,132,882.76

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Solution

The fourth proportional to 3,943,718.76, 5,442,331.92 and 2,132,882.76 is: 2,943,378.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,943,718.76 : 5,442,331.92 = 2,132,882.76 : x
  2. Step 2: Convert to fraction form
    3,943,718.76/5,442,331.92 = 2,132,882.76/x
  3. Step 3: Cross multiply
    3,943,718.76x = 5,442,331.92 × 2,132,882.76
  4. Step 4: Simplify right side
    3,943,718.76x = 11,607,855,926,365.70
  5. Step 5: Solve for x
    x = 11,607,855,926,365.70/3,943,718.76
  6. Step 6: Final answer
    x = 2,943,378.23

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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.