Home / 2,642,411.20-3,962,839.20-749,318.08

Finding the Fourth Proportional to 2,642,411.20, 3,962,839.20 and 749,318.08

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Solution

The fourth proportional to 2,642,411.20, 3,962,839.20 and 749,318.08 is: 1,123,756.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,642,411.20 : 3,962,839.20 = 749,318.08 : x
  2. Step 2: Convert to fraction form
    2,642,411.20/3,962,839.20 = 749,318.08/x
  3. Step 3: Cross multiply
    2,642,411.20x = 3,962,839.20 × 749,318.08
  4. Step 4: Simplify right side
    2,642,411.20x = 2,969,427,060,692.74
  5. Step 5: Solve for x
    x = 2,969,427,060,692.74/2,642,411.20
  6. Step 6: Final answer
    x = 1,123,756.61

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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.