Home / 3,828,765.62-5,283,732.12-2,109,947.78

Finding the Fourth Proportional to 3,828,765.62, 5,283,732.12 and 2,109,947.78

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Solution

The fourth proportional to 3,828,765.62, 5,283,732.12 and 2,109,947.78 is: 2,911,747.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,828,765.62 : 5,283,732.12 = 2,109,947.78 : x
  2. Step 2: Convert to fraction form
    3,828,765.62/5,283,732.12 = 2,109,947.78/x
  3. Step 3: Cross multiply
    3,828,765.62x = 5,283,732.12 × 2,109,947.78
  4. Step 4: Simplify right side
    3,828,765.62x = 11,148,398,856,708.69
  5. Step 5: Solve for x
    x = 11,148,398,856,708.69/3,828,765.62
  6. Step 6: Final answer
    x = 2,911,747.54

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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.