Home / 2,761,248.76-4,142,061.85-938,871.78

Finding the Fourth Proportional to 2,761,248.76, 4,142,061.85 and 938,871.78

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Solution

The fourth proportional to 2,761,248.76, 4,142,061.85 and 938,871.78 is: 1,408,371.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,761,248.76 : 4,142,061.85 = 938,871.78 : x
  2. Step 2: Convert to fraction form
    2,761,248.76/4,142,061.85 = 938,871.78/x
  3. Step 3: Cross multiply
    2,761,248.76x = 4,142,061.85 × 938,871.78
  4. Step 4: Simplify right side
    2,761,248.76x = 3,888,864,965,860.07
  5. Step 5: Solve for x
    x = 3,888,864,965,860.07/2,761,248.76
  6. Step 6: Final answer
    x = 1,408,371.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.