Home / 3,948,636.20-5,923,315.73-1,108,729.22

Finding the Fourth Proportional to 3,948,636.20, 5,923,315.73 and 1,108,729.22

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Solution

The fourth proportional to 3,948,636.20, 5,923,315.73 and 1,108,729.22 is: 1,663,195.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,948,636.20 : 5,923,315.73 = 1,108,729.22 : x
  2. Step 2: Convert to fraction form
    3,948,636.20/5,923,315.73 = 1,108,729.22/x
  3. Step 3: Cross multiply
    3,948,636.20x = 5,923,315.73 × 1,108,729.22
  4. Step 4: Simplify right side
    3,948,636.20x = 6,567,353,202,291.88
  5. Step 5: Solve for x
    x = 6,567,353,202,291.88/3,948,636.20
  6. Step 6: Final answer
    x = 1,663,195.31

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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.