Home / 3,943,469.11-5,442,003.77-2,132,633.11

Finding the Fourth Proportional to 3,943,469.11, 5,442,003.77 and 2,132,633.11

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Solution

The fourth proportional to 3,943,469.11, 5,442,003.77 and 2,132,633.11 is: 2,943,042.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,943,469.11 : 5,442,003.77 = 2,132,633.11 : x
  2. Step 2: Convert to fraction form
    3,943,469.11/5,442,003.77 = 2,132,633.11/x
  3. Step 3: Cross multiply
    3,943,469.11x = 5,442,003.77 × 2,132,633.11
  4. Step 4: Simplify right side
    3,943,469.11x = 11,605,797,428,576.50
  5. Step 5: Solve for x
    x = 11,605,797,428,576.50/3,943,469.11
  6. Step 6: Final answer
    x = 2,943,042.56

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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.