Home / 3,278,734.20-4,918,101.30-3,137,016.60

Finding the Fourth Proportional to 3,278,734.20, 4,918,101.30 and 3,137,016.60

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Solution

The fourth proportional to 3,278,734.20, 4,918,101.30 and 3,137,016.60 is: 4,705,524.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,278,734.20 : 4,918,101.30 = 3,137,016.60 : x
  2. Step 2: Convert to fraction form
    3,278,734.20/4,918,101.30 = 3,137,016.60/x
  3. Step 3: Cross multiply
    3,278,734.20x = 4,918,101.30 × 3,137,016.60
  4. Step 4: Simplify right side
    3,278,734.20x = 15,428,165,418,581.58
  5. Step 5: Solve for x
    x = 15,428,165,418,581.58/3,278,734.20
  6. Step 6: Final answer
    x = 4,705,524.90

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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.