Home / 3,783,251.88-5,221,002.60-2,151,893.88

Finding the Fourth Proportional to 3,783,251.88, 5,221,002.60 and 2,151,893.88

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Solution

The fourth proportional to 3,783,251.88, 5,221,002.60 and 2,151,893.88 is: 2,969,678.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,783,251.88 : 5,221,002.60 = 2,151,893.88 : x
  2. Step 2: Convert to fraction form
    3,783,251.88/5,221,002.60 = 2,151,893.88/x
  3. Step 3: Cross multiply
    3,783,251.88x = 5,221,002.60 × 2,151,893.88
  4. Step 4: Simplify right side
    3,783,251.88x = 11,235,043,542,404.09
  5. Step 5: Solve for x
    x = 11,235,043,542,404.09/3,783,251.88
  6. Step 6: Final answer
    x = 2,969,678.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.