Home / 2,211,429.12-3,313,687.68-1,538,824.56

Finding the Fourth Proportional to 2,211,429.12, 3,313,687.68 and 1,538,824.56

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Solution

The fourth proportional to 2,211,429.12, 3,313,687.68 and 1,538,824.56 is: 2,305,831.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,211,429.12 : 3,313,687.68 = 1,538,824.56 : x
  2. Step 2: Convert to fraction form
    2,211,429.12/3,313,687.68 = 1,538,824.56/x
  3. Step 3: Cross multiply
    2,211,429.12x = 3,313,687.68 × 1,538,824.56
  4. Step 4: Simplify right side
    2,211,429.12x = 5,099,183,986,153.42
  5. Step 5: Solve for x
    x = 5,099,183,986,153.42/2,211,429.12
  6. Step 6: Final answer
    x = 2,305,831.98

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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.