Home / 2,279,002.80-3,418,504.20-930,279.90

Finding the Fourth Proportional to 2,279,002.80, 3,418,504.20 and 930,279.90

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Solution

The fourth proportional to 2,279,002.80, 3,418,504.20 and 930,279.90 is: 1,395,419.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,279,002.80 : 3,418,504.20 = 930,279.90 : x
  2. Step 2: Convert to fraction form
    2,279,002.80/3,418,504.20 = 930,279.90/x
  3. Step 3: Cross multiply
    2,279,002.80x = 3,418,504.20 × 930,279.90
  4. Step 4: Simplify right side
    2,279,002.80x = 3,180,165,745,325.58
  5. Step 5: Solve for x
    x = 3,180,165,745,325.58/2,279,002.80
  6. Step 6: Final answer
    x = 1,395,419.85

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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.