Home / 3,281,143.20-4,921,714.80-3,225,847.20

Finding the Fourth Proportional to 3,281,143.20, 4,921,714.80 and 3,225,847.20

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Solution

The fourth proportional to 3,281,143.20, 4,921,714.80 and 3,225,847.20 is: 4,838,770.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,281,143.20 : 4,921,714.80 = 3,225,847.20 : x
  2. Step 2: Convert to fraction form
    3,281,143.20/4,921,714.80 = 3,225,847.20/x
  3. Step 3: Cross multiply
    3,281,143.20x = 4,921,714.80 × 3,225,847.20
  4. Step 4: Simplify right side
    3,281,143.20x = 15,876,699,906,778.56
  5. Step 5: Solve for x
    x = 15,876,699,906,778.56/3,281,143.20
  6. Step 6: Final answer
    x = 4,838,770.80

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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.