Home / 2,080,373.40-3,120,560.10-660,540.60

Finding the Fourth Proportional to 2,080,373.40, 3,120,560.10 and 660,540.60

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Solution

The fourth proportional to 2,080,373.40, 3,120,560.10 and 660,540.60 is: 990,810.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,080,373.40 : 3,120,560.10 = 660,540.60 : x
  2. Step 2: Convert to fraction form
    2,080,373.40/3,120,560.10 = 660,540.60/x
  3. Step 3: Cross multiply
    2,080,373.40x = 3,120,560.10 × 660,540.60
  4. Step 4: Simplify right side
    2,080,373.40x = 2,061,256,640,790.06
  5. Step 5: Solve for x
    x = 2,061,256,640,790.06/2,080,373.40
  6. Step 6: Final answer
    x = 990,810.90

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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.