Home / 1,998,867.38-2,758,428.77-1,081,097.55

Finding the Fourth Proportional to 1,998,867.38, 2,758,428.77 and 1,081,097.55

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Solution

The fourth proportional to 1,998,867.38, 2,758,428.77 and 1,081,097.55 is: 1,491,910.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,998,867.38 : 2,758,428.77 = 1,081,097.55 : x
  2. Step 2: Convert to fraction form
    1,998,867.38/2,758,428.77 = 1,081,097.55/x
  3. Step 3: Cross multiply
    1,998,867.38x = 2,758,428.77 × 1,081,097.55
  4. Step 4: Simplify right side
    1,998,867.38x = 2,982,130,579,691.03
  5. Step 5: Solve for x
    x = 2,982,130,579,691.03/1,998,867.38
  6. Step 6: Final answer
    x = 1,491,910.18

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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.