Home / 3,574,639.22-5,361,912.11-878,987.78

Finding the Fourth Proportional to 3,574,639.22, 5,361,912.11 and 878,987.78

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Solution

The fourth proportional to 3,574,639.22, 5,361,912.11 and 878,987.78 is: 1,318,470.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,574,639.22 : 5,361,912.11 = 878,987.78 : x
  2. Step 2: Convert to fraction form
    3,574,639.22/5,361,912.11 = 878,987.78/x
  3. Step 3: Cross multiply
    3,574,639.22x = 5,361,912.11 × 878,987.78
  4. Step 4: Simplify right side
    3,574,639.22x = 4,713,055,222,124.02
  5. Step 5: Solve for x
    x = 4,713,055,222,124.02/3,574,639.22
  6. Step 6: Final answer
    x = 1,318,470.18

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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.