Home / 2,150,191.71-3,222,421.11-800,995.77

Finding the Fourth Proportional to 2,150,191.71, 3,222,421.11 and 800,995.77

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Solution

The fourth proportional to 2,150,191.71, 3,222,421.11 and 800,995.77 is: 1,200,425.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,150,191.71 : 3,222,421.11 = 800,995.77 : x
  2. Step 2: Convert to fraction form
    2,150,191.71/3,222,421.11 = 800,995.77/x
  3. Step 3: Cross multiply
    2,150,191.71x = 3,222,421.11 × 800,995.77
  4. Step 4: Simplify right side
    2,150,191.71x = 2,581,145,678,268.70
  5. Step 5: Solve for x
    x = 2,581,145,678,268.70/2,150,191.71
  6. Step 6: Final answer
    x = 1,200,425.83

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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.