Home / 2,080,347.20-3,120,693.60-660,363.20

Finding the Fourth Proportional to 2,080,347.20, 3,120,693.60 and 660,363.20

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Solution

The fourth proportional to 2,080,347.20, 3,120,693.60 and 660,363.20 is: 990,599.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,080,347.20 : 3,120,693.60 = 660,363.20 : x
  2. Step 2: Convert to fraction form
    2,080,347.20/3,120,693.60 = 660,363.20/x
  3. Step 3: Cross multiply
    2,080,347.20x = 3,120,693.60 × 660,363.20
  4. Step 4: Simplify right side
    2,080,347.20x = 2,060,791,211,915.52
  5. Step 5: Solve for x
    x = 2,060,791,211,915.52/2,080,347.20
  6. Step 6: Final answer
    x = 990,599.65

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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.