Home / 3,120,306.30-4,680,459.45-2,765,720.70

Finding the Fourth Proportional to 3,120,306.30, 4,680,459.45 and 2,765,720.70

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Solution

The fourth proportional to 3,120,306.30, 4,680,459.45 and 2,765,720.70 is: 4,148,581.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,120,306.30 : 4,680,459.45 = 2,765,720.70 : x
  2. Step 2: Convert to fraction form
    3,120,306.30/4,680,459.45 = 2,765,720.70/x
  3. Step 3: Cross multiply
    3,120,306.30x = 4,680,459.45 × 2,765,720.70
  4. Step 4: Simplify right side
    3,120,306.30x = 12,944,843,586,375.62
  5. Step 5: Solve for x
    x = 12,944,843,586,375.62/3,120,306.30
  6. Step 6: Final answer
    x = 4,148,581.05

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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.