Home / 3,943,739-5,442,359.82-2,132,903

Finding the Fourth Proportional to 3,943,739, 5,442,359.82 and 2,132,903

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Solution

The fourth proportional to 3,943,739, 5,442,359.82 and 2,132,903 is: 2,943,406.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,943,739 : 5,442,359.82 = 2,132,903 : x
  2. Step 2: Convert to fraction form
    3,943,739/5,442,359.82 = 2,132,903/x
  3. Step 3: Cross multiply
    3,943,739x = 5,442,359.82 × 2,132,903
  4. Step 4: Simplify right side
    3,943,739x = 11,608,025,587,157.46
  5. Step 5: Solve for x
    x = 11,608,025,587,157.46/3,943,739
  6. Step 6: Final answer
    x = 2,943,406.14

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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.