Home / 2,186,078.22-3,016,644.39-1,205,958.78

Finding the Fourth Proportional to 2,186,078.22, 3,016,644.39 and 1,205,958.78

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Solution

The fourth proportional to 2,186,078.22, 3,016,644.39 and 1,205,958.78 is: 1,664,143.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,186,078.22 : 3,016,644.39 = 1,205,958.78 : x
  2. Step 2: Convert to fraction form
    2,186,078.22/3,016,644.39 = 1,205,958.78/x
  3. Step 3: Cross multiply
    2,186,078.22x = 3,016,644.39 × 1,205,958.78
  4. Step 4: Simplify right side
    2,186,078.22x = 3,637,948,788,258.24
  5. Step 5: Solve for x
    x = 3,637,948,788,258.24/2,186,078.22
  6. Step 6: Final answer
    x = 1,664,143.92

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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.