Home / 2,140,080.66-3,209,187.87-809,451.54

Finding the Fourth Proportional to 2,140,080.66, 3,209,187.87 and 809,451.54

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Solution

The fourth proportional to 2,140,080.66, 3,209,187.87 and 809,451.54 is: 1,213,824.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,140,080.66 : 3,209,187.87 = 809,451.54 : x
  2. Step 2: Convert to fraction form
    2,140,080.66/3,209,187.87 = 809,451.54/x
  3. Step 3: Cross multiply
    2,140,080.66x = 3,209,187.87 × 809,451.54
  4. Step 4: Simplify right side
    2,140,080.66x = 2,597,682,063,520.82
  5. Step 5: Solve for x
    x = 2,597,682,063,520.82/2,140,080.66
  6. Step 6: Final answer
    x = 1,213,824.37

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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.