Home / 3,162,020.25-4,743,161.61-918,158.25

Finding the Fourth Proportional to 3,162,020.25, 4,743,161.61 and 918,158.25

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Solution

The fourth proportional to 3,162,020.25, 4,743,161.61 and 918,158.25 is: 1,377,275.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,162,020.25 : 4,743,161.61 = 918,158.25 : x
  2. Step 2: Convert to fraction form
    3,162,020.25/4,743,161.61 = 918,158.25/x
  3. Step 3: Cross multiply
    3,162,020.25x = 4,743,161.61 × 918,158.25
  4. Step 4: Simplify right side
    3,162,020.25x = 4,354,972,963,304.78
  5. Step 5: Solve for x
    x = 4,354,972,963,304.78/3,162,020.25
  6. Step 6: Final answer
    x = 1,377,275.48

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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.