Home / 2,080,694.20-3,120,263.70-818,260.60

Finding the Fourth Proportional to 2,080,694.20, 3,120,263.70 and 818,260.60

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Solution

The fourth proportional to 2,080,694.20, 3,120,263.70 and 818,260.60 is: 1,227,085.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,080,694.20 : 3,120,263.70 = 818,260.60 : x
  2. Step 2: Convert to fraction form
    2,080,694.20/3,120,263.70 = 818,260.60/x
  3. Step 3: Cross multiply
    2,080,694.20x = 3,120,263.70 × 818,260.60
  4. Step 4: Simplify right side
    2,080,694.20x = 2,553,188,847,320.22
  5. Step 5: Solve for x
    x = 2,553,188,847,320.22/2,080,694.20
  6. Step 6: Final answer
    x = 1,227,085.10

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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.