Home / 3,758,878.17-5,187,251.88-2,039,998.68

Finding the Fourth Proportional to 3,758,878.17, 5,187,251.88 and 2,039,998.68

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Solution

The fourth proportional to 3,758,878.17, 5,187,251.88 and 2,039,998.68 is: 2,815,198.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,758,878.17 : 5,187,251.88 = 2,039,998.68 : x
  2. Step 2: Convert to fraction form
    3,758,878.17/5,187,251.88 = 2,039,998.68/x
  3. Step 3: Cross multiply
    3,758,878.17x = 5,187,251.88 × 2,039,998.68
  4. Step 4: Simplify right side
    3,758,878.17x = 10,581,986,988,027.52
  5. Step 5: Solve for x
    x = 10,581,986,988,027.52/3,758,878.17
  6. Step 6: Final answer
    x = 2,815,198.18

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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.