Home / 3,943,766-5,442,397.08-2,132,930

Finding the Fourth Proportional to 3,943,766, 5,442,397.08 and 2,132,930

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Solution

The fourth proportional to 3,943,766, 5,442,397.08 and 2,132,930 is: 2,943,443.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,943,766 : 5,442,397.08 = 2,132,930 : x
  2. Step 2: Convert to fraction form
    3,943,766/5,442,397.08 = 2,132,930/x
  3. Step 3: Cross multiply
    3,943,766x = 5,442,397.08 × 2,132,930
  4. Step 4: Simplify right side
    3,943,766x = 11,608,252,003,844.40
  5. Step 5: Solve for x
    x = 11,608,252,003,844.40/3,943,766
  6. Step 6: Final answer
    x = 2,943,443.40

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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.