Home / 3,783,691.52-5,212,622.40-2,635,694.72

Finding the Fourth Proportional to 3,783,691.52, 5,212,622.40 and 2,635,694.72

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Solution

The fourth proportional to 3,783,691.52, 5,212,622.40 and 2,635,694.72 is: 3,631,078.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,783,691.52 : 5,212,622.40 = 2,635,694.72 : x
  2. Step 2: Convert to fraction form
    3,783,691.52/5,212,622.40 = 2,635,694.72/x
  3. Step 3: Cross multiply
    3,783,691.52x = 5,212,622.40 × 2,635,694.72
  4. Step 4: Simplify right side
    3,783,691.52x = 13,738,881,337,033.73
  5. Step 5: Solve for x
    x = 13,738,881,337,033.73/3,783,691.52
  6. Step 6: Final answer
    x = 3,631,078.61

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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.