Home / 1,982,331.45-2,780,862.75-1,982,331.45

Finding the Fourth Proportional to 1,982,331.45, 2,780,862.75 and 1,982,331.45

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Solution

The fourth proportional to 1,982,331.45, 2,780,862.75 and 1,982,331.45 is: 2,780,862.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,982,331.45 : 2,780,862.75 = 1,982,331.45 : x
  2. Step 2: Convert to fraction form
    1,982,331.45/2,780,862.75 = 1,982,331.45/x
  3. Step 3: Cross multiply
    1,982,331.45x = 2,780,862.75 × 1,982,331.45
  4. Step 4: Simplify right side
    1,982,331.45x = 5,512,591,687,458.49
  5. Step 5: Solve for x
    x = 5,512,591,687,458.49/1,982,331.45
  6. Step 6: Final answer
    x = 2,780,862.75

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.