Home / 3,108,391.75-4,662,850.11-864,529.75

Finding the Fourth Proportional to 3,108,391.75, 4,662,850.11 and 864,529.75

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Solution

The fourth proportional to 3,108,391.75, 4,662,850.11 and 864,529.75 is: 1,296,867.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,108,391.75 : 4,662,850.11 = 864,529.75 : x
  2. Step 2: Convert to fraction form
    3,108,391.75/4,662,850.11 = 864,529.75/x
  3. Step 3: Cross multiply
    3,108,391.75x = 4,662,850.11 × 864,529.75
  4. Step 4: Simplify right side
    3,108,391.75x = 4,031,172,639,885.77
  5. Step 5: Solve for x
    x = 4,031,172,639,885.77/3,108,391.75
  6. Step 6: Final answer
    x = 1,296,867.63

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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.