Home / 3,943,712.76-5,442,323.60-2,132,876.76

Finding the Fourth Proportional to 3,943,712.76, 5,442,323.60 and 2,132,876.76

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Solution

The fourth proportional to 3,943,712.76, 5,442,323.60 and 2,132,876.76 is: 2,943,369.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,943,712.76 : 5,442,323.60 = 2,132,876.76 : x
  2. Step 2: Convert to fraction form
    3,943,712.76/5,442,323.60 = 2,132,876.76/x
  3. Step 3: Cross multiply
    3,943,712.76x = 5,442,323.60 × 2,132,876.76
  4. Step 4: Simplify right side
    3,943,712.76x = 11,607,805,526,839.53
  5. Step 5: Solve for x
    x = 11,607,805,526,839.53/3,943,712.76
  6. Step 6: Final answer
    x = 2,943,369.92

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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.