Home / 2,080,643.20-3,121,051.20-660,659.20

Finding the Fourth Proportional to 2,080,643.20, 3,121,051.20 and 660,659.20

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Solution

The fourth proportional to 2,080,643.20, 3,121,051.20 and 660,659.20 is: 991,016.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,080,643.20 : 3,121,051.20 = 660,659.20 : x
  2. Step 2: Convert to fraction form
    2,080,643.20/3,121,051.20 = 660,659.20/x
  3. Step 3: Cross multiply
    2,080,643.20x = 3,121,051.20 × 660,659.20
  4. Step 4: Simplify right side
    2,080,643.20x = 2,061,951,188,951.04
  5. Step 5: Solve for x
    x = 2,061,951,188,951.04/2,080,643.20
  6. Step 6: Final answer
    x = 991,016.23

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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.