Home / 1,998,820.38-2,758,372.08-1,081,049.59

Finding the Fourth Proportional to 1,998,820.38, 2,758,372.08 and 1,081,049.59

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Solution

The fourth proportional to 1,998,820.38, 2,758,372.08 and 1,081,049.59 is: 1,491,848.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,998,820.38 : 2,758,372.08 = 1,081,049.59 : x
  2. Step 2: Convert to fraction form
    1,998,820.38/2,758,372.08 = 1,081,049.59/x
  3. Step 3: Cross multiply
    1,998,820.38x = 2,758,372.08 × 1,081,049.59
  4. Step 4: Simplify right side
    1,998,820.38x = 2,981,937,000,828.01
  5. Step 5: Solve for x
    x = 2,981,937,000,828.01/1,998,820.38
  6. Step 6: Final answer
    x = 1,491,848.41

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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.