Home / 3,238,942.80-4,861,351.80-1,642,616.40

Finding the Fourth Proportional to 3,238,942.80, 4,861,351.80 and 1,642,616.40

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Solution

The fourth proportional to 3,238,942.80, 4,861,351.80 and 1,642,616.40 is: 2,465,414.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,238,942.80 : 4,861,351.80 = 1,642,616.40 : x
  2. Step 2: Convert to fraction form
    3,238,942.80/4,861,351.80 = 1,642,616.40/x
  3. Step 3: Cross multiply
    3,238,942.80x = 4,861,351.80 × 1,642,616.40
  4. Step 4: Simplify right side
    3,238,942.80x = 7,985,336,192,849.52
  5. Step 5: Solve for x
    x = 7,985,336,192,849.52/3,238,942.80
  6. Step 6: Final answer
    x = 2,465,414.39

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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.