Home / 1,646,433.57-2,469,636.50-1,286,906.83

Finding the Fourth Proportional to 1,646,433.57, 2,469,636.50 and 1,286,906.83

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Solution

The fourth proportional to 1,646,433.57, 2,469,636.50 and 1,286,906.83 is: 1,930,349.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,646,433.57 : 2,469,636.50 = 1,286,906.83 : x
  2. Step 2: Convert to fraction form
    1,646,433.57/2,469,636.50 = 1,286,906.83/x
  3. Step 3: Cross multiply
    1,646,433.57x = 2,469,636.50 × 1,286,906.83
  4. Step 4: Simplify right side
    1,646,433.57x = 3,178,192,079,467.30
  5. Step 5: Solve for x
    x = 3,178,192,079,467.30/1,646,433.57
  6. Step 6: Final answer
    x = 1,930,349.42

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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.