Home / 2,176,344.62-3,265,069.89-1,278,545.42

Finding the Fourth Proportional to 2,176,344.62, 3,265,069.89 and 1,278,545.42

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Solution

The fourth proportional to 2,176,344.62, 3,265,069.89 and 1,278,545.42 is: 1,918,142.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,176,344.62 : 3,265,069.89 = 1,278,545.42 : x
  2. Step 2: Convert to fraction form
    2,176,344.62/3,265,069.89 = 1,278,545.42/x
  3. Step 3: Cross multiply
    2,176,344.62x = 3,265,069.89 × 1,278,545.42
  4. Step 4: Simplify right side
    2,176,344.62x = 4,174,540,153,839.40
  5. Step 5: Solve for x
    x = 4,174,540,153,839.40/2,176,344.62
  6. Step 6: Final answer
    x = 1,918,142.98

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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.