Home / 3,120,400.20-4,680,600.30-1,523,209.80

Finding the Fourth Proportional to 3,120,400.20, 4,680,600.30 and 1,523,209.80

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Solution

The fourth proportional to 3,120,400.20, 4,680,600.30 and 1,523,209.80 is: 2,284,814.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,120,400.20 : 4,680,600.30 = 1,523,209.80 : x
  2. Step 2: Convert to fraction form
    3,120,400.20/4,680,600.30 = 1,523,209.80/x
  3. Step 3: Cross multiply
    3,120,400.20x = 4,680,600.30 × 1,523,209.80
  4. Step 4: Simplify right side
    3,120,400.20x = 7,129,536,246,842.94
  5. Step 5: Solve for x
    x = 7,129,536,246,842.94/3,120,400.20
  6. Step 6: Final answer
    x = 2,284,814.70

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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.