Home / 2,987,806.50-4,123,172.97-1,629,679.50

Finding the Fourth Proportional to 2,987,806.50, 4,123,172.97 and 1,629,679.50

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Solution

The fourth proportional to 2,987,806.50, 4,123,172.97 and 1,629,679.50 is: 2,248,957.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,987,806.50 : 4,123,172.97 = 1,629,679.50 : x
  2. Step 2: Convert to fraction form
    2,987,806.50/4,123,172.97 = 1,629,679.50/x
  3. Step 3: Cross multiply
    2,987,806.50x = 4,123,172.97 × 1,629,679.50
  4. Step 4: Simplify right side
    2,987,806.50x = 6,719,450,464,163.12
  5. Step 5: Solve for x
    x = 6,719,450,464,163.12/2,987,806.50
  6. Step 6: Final answer
    x = 2,248,957.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.