Home / 3,171,842.80-4,757,722.98-775,708.20

Finding the Fourth Proportional to 3,171,842.80, 4,757,722.98 and 775,708.20

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Solution

The fourth proportional to 3,171,842.80, 4,757,722.98 and 775,708.20 is: 1,163,552.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,171,842.80 : 4,757,722.98 = 775,708.20 : x
  2. Step 2: Convert to fraction form
    3,171,842.80/4,757,722.98 = 775,708.20/x
  3. Step 3: Cross multiply
    3,171,842.80x = 4,757,722.98 × 775,708.20
  4. Step 4: Simplify right side
    3,171,842.80x = 3,690,604,728,914.44
  5. Step 5: Solve for x
    x = 3,690,604,728,914.44/3,171,842.80
  6. Step 6: Final answer
    x = 1,163,552.22

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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.