Home / 3,219,859.27-4,829,954.34-823,724.69

Finding the Fourth Proportional to 3,219,859.27, 4,829,954.34 and 823,724.69

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Solution

The fourth proportional to 3,219,859.27, 4,829,954.34 and 823,724.69 is: 1,235,629.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,219,859.27 : 4,829,954.34 = 823,724.69 : x
  2. Step 2: Convert to fraction form
    3,219,859.27/4,829,954.34 = 823,724.69/x
  3. Step 3: Cross multiply
    3,219,859.27x = 4,829,954.34 × 823,724.69
  4. Step 4: Simplify right side
    3,219,859.27x = 3,978,552,641,430.65
  5. Step 5: Solve for x
    x = 3,978,552,641,430.65/3,219,859.27
  6. Step 6: Final answer
    x = 1,235,629.36

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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.