Home / 1,985,708.52-2,741,229.54-1,222,416.36

Finding the Fourth Proportional to 1,985,708.52, 2,741,229.54 and 1,222,416.36

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Solution

The fourth proportional to 1,985,708.52, 2,741,229.54 and 1,222,416.36 is: 1,687,520.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,985,708.52 : 2,741,229.54 = 1,222,416.36 : x
  2. Step 2: Convert to fraction form
    1,985,708.52/2,741,229.54 = 1,222,416.36/x
  3. Step 3: Cross multiply
    1,985,708.52x = 2,741,229.54 × 1,222,416.36
  4. Step 4: Simplify right side
    1,985,708.52x = 3,350,923,836,211.28
  5. Step 5: Solve for x
    x = 3,350,923,836,211.28/1,985,708.52
  6. Step 6: Final answer
    x = 1,687,520.50

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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.