Home / 3,308,620.20-4,962,930.30-912,834.60

Finding the Fourth Proportional to 3,308,620.20, 4,962,930.30 and 912,834.60

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Solution

The fourth proportional to 3,308,620.20, 4,962,930.30 and 912,834.60 is: 1,369,251.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,308,620.20 : 4,962,930.30 = 912,834.60 : x
  2. Step 2: Convert to fraction form
    3,308,620.20/4,962,930.30 = 912,834.60/x
  3. Step 3: Cross multiply
    3,308,620.20x = 4,962,930.30 × 912,834.60
  4. Step 4: Simplify right side
    3,308,620.20x = 4,530,334,495,228.38
  5. Step 5: Solve for x
    x = 4,530,334,495,228.38/3,308,620.20
  6. Step 6: Final answer
    x = 1,369,251.90

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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.