Home / 2,192,178.52-3,288,193.68-772,197.52

Finding the Fourth Proportional to 2,192,178.52, 3,288,193.68 and 772,197.52

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Solution

The fourth proportional to 2,192,178.52, 3,288,193.68 and 772,197.52 is: 1,158,270.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,192,178.52 : 3,288,193.68 = 772,197.52 : x
  2. Step 2: Convert to fraction form
    2,192,178.52/3,288,193.68 = 772,197.52/x
  3. Step 3: Cross multiply
    2,192,178.52x = 3,288,193.68 × 772,197.52
  4. Step 4: Simplify right side
    2,192,178.52x = 2,539,135,004,975.67
  5. Step 5: Solve for x
    x = 2,539,135,004,975.67/2,192,178.52
  6. Step 6: Final answer
    x = 1,158,270.18

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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.