Home / 2,080,394.80-3,120,592.20-960,650.80

Finding the Fourth Proportional to 2,080,394.80, 3,120,592.20 and 960,650.80

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Solution

The fourth proportional to 2,080,394.80, 3,120,592.20 and 960,650.80 is: 1,440,976.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,080,394.80 : 3,120,592.20 = 960,650.80 : x
  2. Step 2: Convert to fraction form
    2,080,394.80/3,120,592.20 = 960,650.80/x
  3. Step 3: Cross multiply
    2,080,394.80x = 3,120,592.20 × 960,650.80
  4. Step 4: Simplify right side
    2,080,394.80x = 2,997,799,393,403.76
  5. Step 5: Solve for x
    x = 2,997,799,393,403.76/2,080,394.80
  6. Step 6: Final answer
    x = 1,440,976.20

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Similar ratio
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1.5x scale

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.