Home / 2,165,899.56-2,988,002.82-1,305,982.09

Finding the Fourth Proportional to 2,165,899.56, 2,988,002.82 and 1,305,982.09

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Solution

The fourth proportional to 2,165,899.56, 2,988,002.82 and 1,305,982.09 is: 1,801,689.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,165,899.56 : 2,988,002.82 = 1,305,982.09 : x
  2. Step 2: Convert to fraction form
    2,165,899.56/2,988,002.82 = 1,305,982.09/x
  3. Step 3: Cross multiply
    2,165,899.56x = 2,988,002.82 × 1,305,982.09
  4. Step 4: Simplify right side
    2,165,899.56x = 3,902,278,167,789.49
  5. Step 5: Solve for x
    x = 3,902,278,167,789.49/2,165,899.56
  6. Step 6: Final answer
    x = 1,801,689.35

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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.