Home / 1,998,811.56-2,758,359.91-1,081,040.68

Finding the Fourth Proportional to 1,998,811.56, 2,758,359.91 and 1,081,040.68

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Solution

The fourth proportional to 1,998,811.56, 2,758,359.91 and 1,081,040.68 is: 1,491,836.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,998,811.56 : 2,758,359.91 = 1,081,040.68 : x
  2. Step 2: Convert to fraction form
    1,998,811.56/2,758,359.91 = 1,081,040.68/x
  3. Step 3: Cross multiply
    1,998,811.56x = 2,758,359.91 × 1,081,040.68
  4. Step 4: Simplify right side
    1,998,811.56x = 2,981,899,253,594.14
  5. Step 5: Solve for x
    x = 2,981,899,253,594.14/1,998,811.56
  6. Step 6: Final answer
    x = 1,491,836.11

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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.