Home / 2,080,808.20-3,121,212.30-1,083,406.60

Finding the Fourth Proportional to 2,080,808.20, 3,121,212.30 and 1,083,406.60

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Solution

The fourth proportional to 2,080,808.20, 3,121,212.30 and 1,083,406.60 is: 1,625,109.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,080,808.20 : 3,121,212.30 = 1,083,406.60 : x
  2. Step 2: Convert to fraction form
    2,080,808.20/3,121,212.30 = 1,083,406.60/x
  3. Step 3: Cross multiply
    2,080,808.20x = 3,121,212.30 × 1,083,406.60
  4. Step 4: Simplify right side
    2,080,808.20x = 3,381,542,005,821.18
  5. Step 5: Solve for x
    x = 3,381,542,005,821.18/2,080,808.20
  6. Step 6: Final answer
    x = 1,625,109.90

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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.