Home / 2,080,265.40-3,120,398.10-660,432.60

Finding the Fourth Proportional to 2,080,265.40, 3,120,398.10 and 660,432.60

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Solution

The fourth proportional to 2,080,265.40, 3,120,398.10 and 660,432.60 is: 990,648.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,080,265.40 : 3,120,398.10 = 660,432.60 : x
  2. Step 2: Convert to fraction form
    2,080,265.40/3,120,398.10 = 660,432.60/x
  3. Step 3: Cross multiply
    2,080,265.40x = 3,120,398.10 × 660,432.60
  4. Step 4: Simplify right side
    2,080,265.40x = 2,060,812,630,218.06
  5. Step 5: Solve for x
    x = 2,060,812,630,218.06/2,080,265.40
  6. Step 6: Final answer
    x = 990,648.90

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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.