Home / 2,080,217.80-3,120,618.30-817,751.80

Finding the Fourth Proportional to 2,080,217.80, 3,120,618.30 and 817,751.80

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Solution

The fourth proportional to 2,080,217.80, 3,120,618.30 and 817,751.80 is: 1,226,742.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,080,217.80 : 3,120,618.30 = 817,751.80 : x
  2. Step 2: Convert to fraction form
    2,080,217.80/3,120,618.30 = 817,751.80/x
  3. Step 3: Cross multiply
    2,080,217.80x = 3,120,618.30 × 817,751.80
  4. Step 4: Simplify right side
    2,080,217.80x = 2,551,891,231,937.94
  5. Step 5: Solve for x
    x = 2,551,891,231,937.94/2,080,217.80
  6. Step 6: Final answer
    x = 1,226,742.33

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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.