Home / 2,080,800.30-3,121,200.45-1,982,822.70

Finding the Fourth Proportional to 2,080,800.30, 3,121,200.45 and 1,982,822.70

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Solution

The fourth proportional to 2,080,800.30, 3,121,200.45 and 1,982,822.70 is: 2,974,234.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,080,800.30 : 3,121,200.45 = 1,982,822.70 : x
  2. Step 2: Convert to fraction form
    2,080,800.30/3,121,200.45 = 1,982,822.70/x
  3. Step 3: Cross multiply
    2,080,800.30x = 3,121,200.45 × 1,982,822.70
  4. Step 4: Simplify right side
    2,080,800.30x = 6,188,787,103,510.22
  5. Step 5: Solve for x
    x = 6,188,787,103,510.22/2,080,800.30
  6. Step 6: Final answer
    x = 2,974,234.05

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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.