Home / 6,439,223.20-9,660,001.20-3,236,288.80

Finding the Fourth Proportional to 6,439,223.20, 9,660,001.20 and 3,236,288.80

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Solution

The fourth proportional to 6,439,223.20, 9,660,001.20 and 3,236,288.80 is: 4,855,019.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,439,223.20 : 9,660,001.20 = 3,236,288.80 : x
  2. Step 2: Convert to fraction form
    6,439,223.20/9,660,001.20 = 3,236,288.80/x
  3. Step 3: Cross multiply
    6,439,223.20x = 9,660,001.20 × 3,236,288.80
  4. Step 4: Simplify right side
    6,439,223.20x = 31,262,553,691,546.55
  5. Step 5: Solve for x
    x = 31,262,553,691,546.55/6,439,223.20
  6. Step 6: Final answer
    x = 4,855,019.42

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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.