Home / 3,192,766.20-4,789,149.30-3,129,780.60

Finding the Fourth Proportional to 3,192,766.20, 4,789,149.30 and 3,129,780.60

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Solution

The fourth proportional to 3,192,766.20, 4,789,149.30 and 3,129,780.60 is: 4,694,670.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,192,766.20 : 4,789,149.30 = 3,129,780.60 : x
  2. Step 2: Convert to fraction form
    3,192,766.20/4,789,149.30 = 3,129,780.60/x
  3. Step 3: Cross multiply
    3,192,766.20x = 4,789,149.30 × 3,129,780.60
  4. Step 4: Simplify right side
    3,192,766.20x = 14,988,986,569,643.58
  5. Step 5: Solve for x
    x = 14,988,986,569,643.58/3,192,766.20
  6. Step 6: Final answer
    x = 4,694,670.90

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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.