Home / 3,308,648.20-4,962,972.30-912,862.60

Finding the Fourth Proportional to 3,308,648.20, 4,962,972.30 and 912,862.60

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Solution

The fourth proportional to 3,308,648.20, 4,962,972.30 and 912,862.60 is: 1,369,293.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,308,648.20 : 4,962,972.30 = 912,862.60 : x
  2. Step 2: Convert to fraction form
    3,308,648.20/4,962,972.30 = 912,862.60/x
  3. Step 3: Cross multiply
    3,308,648.20x = 4,962,972.30 × 912,862.60
  4. Step 4: Simplify right side
    3,308,648.20x = 4,530,511,797,505.98
  5. Step 5: Solve for x
    x = 4,530,511,797,505.98/3,308,648.20
  6. Step 6: Final answer
    x = 1,369,293.90

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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.