Home / 2,192,073.20-3,288,109.80-1,247,289.20

Finding the Fourth Proportional to 2,192,073.20, 3,288,109.80 and 1,247,289.20

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Solution

The fourth proportional to 2,192,073.20, 3,288,109.80 and 1,247,289.20 is: 1,870,933.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,192,073.20 : 3,288,109.80 = 1,247,289.20 : x
  2. Step 2: Convert to fraction form
    2,192,073.20/3,288,109.80 = 1,247,289.20/x
  3. Step 3: Cross multiply
    2,192,073.20x = 3,288,109.80 × 1,247,289.20
  4. Step 4: Simplify right side
    2,192,073.20x = 4,101,223,841,954.16
  5. Step 5: Solve for x
    x = 4,101,223,841,954.16/2,192,073.20
  6. Step 6: Final answer
    x = 1,870,933.80

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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.