Home / 3,948,635.72-5,923,315.04-1,108,728.72

Finding the Fourth Proportional to 3,948,635.72, 5,923,315.04 and 1,108,728.72

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Solution

The fourth proportional to 3,948,635.72, 5,923,315.04 and 1,108,728.72 is: 1,663,194.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,948,635.72 : 5,923,315.04 = 1,108,728.72 : x
  2. Step 2: Convert to fraction form
    3,948,635.72/5,923,315.04 = 1,108,728.72/x
  3. Step 3: Cross multiply
    3,948,635.72x = 5,923,315.04 × 1,108,728.72
  4. Step 4: Simplify right side
    3,948,635.72x = 6,567,349,502,455.95
  5. Step 5: Solve for x
    x = 6,567,349,502,455.95/3,948,635.72
  6. Step 6: Final answer
    x = 1,663,194.57

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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.