Home / 2,619,549.42-3,929,324.34-726,290.94

Finding the Fourth Proportional to 2,619,549.42, 3,929,324.34 and 726,290.94

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Solution

The fourth proportional to 2,619,549.42, 3,929,324.34 and 726,290.94 is: 1,089,436.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,619,549.42 : 3,929,324.34 = 726,290.94 : x
  2. Step 2: Convert to fraction form
    2,619,549.42/3,929,324.34 = 726,290.94/x
  3. Step 3: Cross multiply
    2,619,549.42x = 3,929,324.34 × 726,290.94
  4. Step 4: Simplify right side
    2,619,549.42x = 2,853,832,668,463.48
  5. Step 5: Solve for x
    x = 2,853,832,668,463.48/2,619,549.42
  6. Step 6: Final answer
    x = 1,089,436.47

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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.