Home / 2,165,654.82-2,988,567.38-1,198,764.30

Finding the Fourth Proportional to 2,165,654.82, 2,988,567.38 and 1,198,764.30

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Solution

The fourth proportional to 2,165,654.82, 2,988,567.38 and 1,198,764.30 is: 1,654,274.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,165,654.82 : 2,988,567.38 = 1,198,764.30 : x
  2. Step 2: Convert to fraction form
    2,165,654.82/2,988,567.38 = 1,198,764.30/x
  3. Step 3: Cross multiply
    2,165,654.82x = 2,988,567.38 × 1,198,764.30
  4. Step 4: Simplify right side
    2,165,654.82x = 3,582,587,886,285.45
  5. Step 5: Solve for x
    x = 3,582,587,886,285.45/2,165,654.82
  6. Step 6: Final answer
    x = 1,654,274.66

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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.