Home / 2,165,645.38-2,988,554.35-1,198,754.86

Finding the Fourth Proportional to 2,165,645.38, 2,988,554.35 and 1,198,754.86

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Solution

The fourth proportional to 2,165,645.38, 2,988,554.35 and 1,198,754.86 is: 1,654,261.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,165,645.38 : 2,988,554.35 = 1,198,754.86 : x
  2. Step 2: Convert to fraction form
    2,165,645.38/2,988,554.35 = 1,198,754.86/x
  3. Step 3: Cross multiply
    2,165,645.38x = 2,988,554.35 × 1,198,754.86
  4. Step 4: Simplify right side
    2,165,645.38x = 3,582,544,051,436.64
  5. Step 5: Solve for x
    x = 3,582,544,051,436.64/2,165,645.38
  6. Step 6: Final answer
    x = 1,654,261.63

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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.