Home / 2,165,654.91-2,988,567.51-1,198,764.39

Finding the Fourth Proportional to 2,165,654.91, 2,988,567.51 and 1,198,764.39

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Solution

The fourth proportional to 2,165,654.91, 2,988,567.51 and 1,198,764.39 is: 1,654,274.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,165,654.91 : 2,988,567.51 = 1,198,764.39 : x
  2. Step 2: Convert to fraction form
    2,165,654.91/2,988,567.51 = 1,198,764.39/x
  3. Step 3: Cross multiply
    2,165,654.91x = 2,988,567.51 × 1,198,764.39
  4. Step 4: Simplify right side
    2,165,654.91x = 3,582,588,321,553.78
  5. Step 5: Solve for x
    x = 3,582,588,321,553.78/2,165,654.91
  6. Step 6: Final answer
    x = 1,654,274.79

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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.