Home / 3,942,049.20-5,909,793.30-1,669,318.80

Finding the Fourth Proportional to 3,942,049.20, 5,909,793.30 and 1,669,318.80

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Solution

The fourth proportional to 3,942,049.20, 5,909,793.30 and 1,669,318.80 is: 2,502,589.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,942,049.20 : 5,909,793.30 = 1,669,318.80 : x
  2. Step 2: Convert to fraction form
    3,942,049.20/5,909,793.30 = 1,669,318.80/x
  3. Step 3: Cross multiply
    3,942,049.20x = 5,909,793.30 × 1,669,318.80
  4. Step 4: Simplify right side
    3,942,049.20x = 9,865,329,059,804.04
  5. Step 5: Solve for x
    x = 9,865,329,059,804.04/3,942,049.20
  6. Step 6: Final answer
    x = 2,502,589.02

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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.