Home / 3,186,188.20-4,777,921.50-1,479,278.44

Finding the Fourth Proportional to 3,186,188.20, 4,777,921.50 and 1,479,278.44

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Solution

The fourth proportional to 3,186,188.20, 4,777,921.50 and 1,479,278.44 is: 2,218,285.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,186,188.20 : 4,777,921.50 = 1,479,278.44 : x
  2. Step 2: Convert to fraction form
    3,186,188.20/4,777,921.50 = 1,479,278.44/x
  3. Step 3: Cross multiply
    3,186,188.20x = 4,777,921.50 × 1,479,278.44
  4. Step 4: Simplify right side
    3,186,188.20x = 7,067,876,262,962.46
  5. Step 5: Solve for x
    x = 7,067,876,262,962.46/3,186,188.20
  6. Step 6: Final answer
    x = 2,218,285.87

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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.