Home / 2,080,631.20-3,121,033.20-660,647.20

Finding the Fourth Proportional to 2,080,631.20, 3,121,033.20 and 660,647.20

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Solution

The fourth proportional to 2,080,631.20, 3,121,033.20 and 660,647.20 is: 990,998.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,080,631.20 : 3,121,033.20 = 660,647.20 : x
  2. Step 2: Convert to fraction form
    2,080,631.20/3,121,033.20 = 660,647.20/x
  3. Step 3: Cross multiply
    2,080,631.20x = 3,121,033.20 × 660,647.20
  4. Step 4: Simplify right side
    2,080,631.20x = 2,061,901,844,687.04
  5. Step 5: Solve for x
    x = 2,061,901,844,687.04/2,080,631.20
  6. Step 6: Final answer
    x = 990,998.23

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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.