Home / 1,561,160.61-2,154,282.75-949,228.38

Finding the Fourth Proportional to 1,561,160.61, 2,154,282.75 and 949,228.38

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Solution

The fourth proportional to 1,561,160.61, 2,154,282.75 and 949,228.38 is: 1,309,862.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,561,160.61 : 2,154,282.75 = 949,228.38 : x
  2. Step 2: Convert to fraction form
    1,561,160.61/2,154,282.75 = 949,228.38/x
  3. Step 3: Cross multiply
    1,561,160.61x = 2,154,282.75 × 949,228.38
  4. Step 4: Simplify right side
    1,561,160.61x = 2,044,906,324,844.45
  5. Step 5: Solve for x
    x = 2,044,906,324,844.45/1,561,160.61
  6. Step 6: Final answer
    x = 1,309,862.87

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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.