Home / 2,185,842.80-3,278,982.90-669,508.22

Finding the Fourth Proportional to 2,185,842.80, 3,278,982.90 and 669,508.22

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Solution

The fourth proportional to 2,185,842.80, 3,278,982.90 and 669,508.22 is: 1,004,329.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,185,842.80 : 3,278,982.90 = 669,508.22 : x
  2. Step 2: Convert to fraction form
    2,185,842.80/3,278,982.90 = 669,508.22/x
  3. Step 3: Cross multiply
    2,185,842.80x = 3,278,982.90 × 669,508.22
  4. Step 4: Simplify right side
    2,185,842.80x = 2,195,306,004,789.44
  5. Step 5: Solve for x
    x = 2,195,306,004,789.44/2,185,842.80
  6. Step 6: Final answer
    x = 1,004,329.32

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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.