Home / 3,219,859.52-4,829,954.72-823,724.94

Finding the Fourth Proportional to 3,219,859.52, 4,829,954.72 and 823,724.94

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Solution

The fourth proportional to 3,219,859.52, 4,829,954.72 and 823,724.94 is: 1,235,629.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,219,859.52 : 4,829,954.72 = 823,724.94 : x
  2. Step 2: Convert to fraction form
    3,219,859.52/4,829,954.72 = 823,724.94/x
  3. Step 3: Cross multiply
    3,219,859.52x = 4,829,954.72 × 823,724.94
  4. Step 4: Simplify right side
    3,219,859.52x = 3,978,554,157,816.09
  5. Step 5: Solve for x
    x = 3,978,554,157,816.09/3,219,859.52
  6. Step 6: Final answer
    x = 1,235,629.73

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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.