Home / 2,589,853.60-3,882,937.20-991,799.20

Finding the Fourth Proportional to 2,589,853.60, 3,882,937.20 and 991,799.20

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Solution

The fourth proportional to 2,589,853.60, 3,882,937.20 and 991,799.20 is: 1,486,992.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,589,853.60 : 3,882,937.20 = 991,799.20 : x
  2. Step 2: Convert to fraction form
    2,589,853.60/3,882,937.20 = 991,799.20/x
  3. Step 3: Cross multiply
    2,589,853.60x = 3,882,937.20 × 991,799.20
  4. Step 4: Simplify right side
    2,589,853.60x = 3,851,094,008,610.24
  5. Step 5: Solve for x
    x = 3,851,094,008,610.24/2,589,853.60
  6. Step 6: Final answer
    x = 1,486,992.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.