Home / 2,080,288.60-3,121,469.70-1,182,419.80

Finding the Fourth Proportional to 2,080,288.60, 3,121,469.70 and 1,182,419.80

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Solution

The fourth proportional to 2,080,288.60, 3,121,469.70 and 1,182,419.80 is: 1,774,219.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,080,288.60 : 3,121,469.70 = 1,182,419.80 : x
  2. Step 2: Convert to fraction form
    2,080,288.60/3,121,469.70 = 1,182,419.80/x
  3. Step 3: Cross multiply
    2,080,288.60x = 3,121,469.70 × 1,182,419.80
  4. Step 4: Simplify right side
    2,080,288.60x = 3,690,887,578,380.06
  5. Step 5: Solve for x
    x = 3,690,887,578,380.06/2,080,288.60
  6. Step 6: Final answer
    x = 1,774,219.01

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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.