Home / 2,315,726.82-3,195,871.30-1,398,179.17

Finding the Fourth Proportional to 2,315,726.82, 3,195,871.30 and 1,398,179.17

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Solution

The fourth proportional to 2,315,726.82, 3,195,871.30 and 1,398,179.17 is: 1,929,588.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,315,726.82 : 3,195,871.30 = 1,398,179.17 : x
  2. Step 2: Convert to fraction form
    2,315,726.82/3,195,871.30 = 1,398,179.17/x
  3. Step 3: Cross multiply
    2,315,726.82x = 3,195,871.30 × 1,398,179.17
  4. Step 4: Simplify right side
    2,315,726.82x = 4,468,400,687,403.38
  5. Step 5: Solve for x
    x = 4,468,400,687,403.38/2,315,726.82
  6. Step 6: Final answer
    x = 1,929,588.87

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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.