Home / 2,080,290.90-3,120,983.10-660,344.70

Finding the Fourth Proportional to 2,080,290.90, 3,120,983.10 and 660,344.70

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Solution

The fourth proportional to 2,080,290.90, 3,120,983.10 and 660,344.70 is: 990,690.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,080,290.90 : 3,120,983.10 = 660,344.70 : x
  2. Step 2: Convert to fraction form
    2,080,290.90/3,120,983.10 = 660,344.70/x
  3. Step 3: Cross multiply
    2,080,290.90x = 3,120,983.10 × 660,344.70
  4. Step 4: Simplify right side
    2,080,290.90x = 2,060,924,648,874.57
  5. Step 5: Solve for x
    x = 2,060,924,648,874.57/2,080,290.90
  6. Step 6: Final answer
    x = 990,690.60

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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.