Home / 3,086,409.97-4,629,615.51-1,288,312.57

Finding the Fourth Proportional to 3,086,409.97, 4,629,615.51 and 1,288,312.57

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Solution

The fourth proportional to 3,086,409.97, 4,629,615.51 and 1,288,312.57 is: 1,932,469.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,086,409.97 : 4,629,615.51 = 1,288,312.57 : x
  2. Step 2: Convert to fraction form
    3,086,409.97/4,629,615.51 = 1,288,312.57/x
  3. Step 3: Cross multiply
    3,086,409.97x = 4,629,615.51 × 1,288,312.57
  4. Step 4: Simplify right side
    3,086,409.97x = 5,964,391,855,799.96
  5. Step 5: Solve for x
    x = 5,964,391,855,799.96/3,086,409.97
  6. Step 6: Final answer
    x = 1,932,469.09

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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.