Home / 2,185,867.38-3,016,491.12-1,218,998.73

Finding the Fourth Proportional to 2,185,867.38, 3,016,491.12 and 1,218,998.73

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Solution

The fourth proportional to 2,185,867.38, 3,016,491.12 and 1,218,998.73 is: 1,682,214.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,185,867.38 : 3,016,491.12 = 1,218,998.73 : x
  2. Step 2: Convert to fraction form
    2,185,867.38/3,016,491.12 = 1,218,998.73/x
  3. Step 3: Cross multiply
    2,185,867.38x = 3,016,491.12 × 1,218,998.73
  4. Step 4: Simplify right side
    2,185,867.38x = 3,677,098,844,336.28
  5. Step 5: Solve for x
    x = 3,677,098,844,336.28/2,185,867.38
  6. Step 6: Final answer
    x = 1,682,214.98

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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.