Home / 2,080,459.80-3,120,932.70-660,659.40

Finding the Fourth Proportional to 2,080,459.80, 3,120,932.70 and 660,659.40

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Solution

The fourth proportional to 2,080,459.80, 3,120,932.70 and 660,659.40 is: 991,066.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,080,459.80 : 3,120,932.70 = 660,659.40 : x
  2. Step 2: Convert to fraction form
    2,080,459.80/3,120,932.70 = 660,659.40/x
  3. Step 3: Cross multiply
    2,080,459.80x = 3,120,932.70 × 660,659.40
  4. Step 4: Simplify right side
    2,080,459.80x = 2,061,873,525,022.38
  5. Step 5: Solve for x
    x = 2,061,873,525,022.38/2,080,459.80
  6. Step 6: Final answer
    x = 991,066.27

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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.