Home / 3,171,839.31-4,757,717.70-775,704.69

Finding the Fourth Proportional to 3,171,839.31, 4,757,717.70 and 775,704.69

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Solution

The fourth proportional to 3,171,839.31, 4,757,717.70 and 775,704.69 is: 1,163,546.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,171,839.31 : 4,757,717.70 = 775,704.69 : x
  2. Step 2: Convert to fraction form
    3,171,839.31/4,757,717.70 = 775,704.69/x
  3. Step 3: Cross multiply
    3,171,839.31x = 4,757,717.70 × 775,704.69
  4. Step 4: Simplify right side
    3,171,839.31x = 3,690,583,933,586.01
  5. Step 5: Solve for x
    x = 3,690,583,933,586.01/3,171,839.31
  6. Step 6: Final answer
    x = 1,163,546.94

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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.