Home / 3,267,286.20-4,900,929.30-3,120,319.80

Finding the Fourth Proportional to 3,267,286.20, 4,900,929.30 and 3,120,319.80

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Solution

The fourth proportional to 3,267,286.20, 4,900,929.30 and 3,120,319.80 is: 4,680,479.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,267,286.20 : 4,900,929.30 = 3,120,319.80 : x
  2. Step 2: Convert to fraction form
    3,267,286.20/4,900,929.30 = 3,120,319.80/x
  3. Step 3: Cross multiply
    3,267,286.20x = 4,900,929.30 × 3,120,319.80
  4. Step 4: Simplify right side
    3,267,286.20x = 15,292,466,733,190.14
  5. Step 5: Solve for x
    x = 15,292,466,733,190.14/3,267,286.20
  6. Step 6: Final answer
    x = 4,680,479.70

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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.