Home / 3,451,687.73-5,178,278.98-1,321,771.93

Finding the Fourth Proportional to 3,451,687.73, 5,178,278.98 and 1,321,771.93

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Solution

The fourth proportional to 3,451,687.73, 5,178,278.98 and 1,321,771.93 is: 1,982,944.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,451,687.73 : 5,178,278.98 = 1,321,771.93 : x
  2. Step 2: Convert to fraction form
    3,451,687.73/5,178,278.98 = 1,321,771.93/x
  3. Step 3: Cross multiply
    3,451,687.73x = 5,178,278.98 × 1,321,771.93
  4. Step 4: Simplify right side
    3,451,687.73x = 6,844,503,790,179.55
  5. Step 5: Solve for x
    x = 6,844,503,790,179.55/3,451,687.73
  6. Step 6: Final answer
    x = 1,982,944.09

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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.