Home / 3,712,321.26-5,123,144.16-2,080,758.78

Finding the Fourth Proportional to 3,712,321.26, 5,123,144.16 and 2,080,758.78

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Solution

The fourth proportional to 3,712,321.26, 5,123,144.16 and 2,080,758.78 is: 2,871,526.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,712,321.26 : 5,123,144.16 = 2,080,758.78 : x
  2. Step 2: Convert to fraction form
    3,712,321.26/5,123,144.16 = 2,080,758.78/x
  3. Step 3: Cross multiply
    3,712,321.26x = 5,123,144.16 × 2,080,758.78
  4. Step 4: Simplify right side
    3,712,321.26x = 10,660,027,192,125.72
  5. Step 5: Solve for x
    x = 10,660,027,192,125.72/3,712,321.26
  6. Step 6: Final answer
    x = 2,871,526.05

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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.