Home / 2,665,392.07-3,998,084.97-868,272.61

Finding the Fourth Proportional to 2,665,392.07, 3,998,084.97 and 868,272.61

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Solution

The fourth proportional to 2,665,392.07, 3,998,084.97 and 868,272.61 is: 1,302,407.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,665,392.07 : 3,998,084.97 = 868,272.61 : x
  2. Step 2: Convert to fraction form
    2,665,392.07/3,998,084.97 = 868,272.61/x
  3. Step 3: Cross multiply
    2,665,392.07x = 3,998,084.97 × 868,272.61
  4. Step 4: Simplify right side
    2,665,392.07x = 3,471,427,671,903.67
  5. Step 5: Solve for x
    x = 3,471,427,671,903.67/2,665,392.07
  6. Step 6: Final answer
    x = 1,302,407.89

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.