Home / 3,949,021.68-5,923,754.12-1,108,912.40

Finding the Fourth Proportional to 3,949,021.68, 5,923,754.12 and 1,108,912.40

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Solution

The fourth proportional to 3,949,021.68, 5,923,754.12 and 1,108,912.40 is: 1,663,430.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,949,021.68 : 5,923,754.12 = 1,108,912.40 : x
  2. Step 2: Convert to fraction form
    3,949,021.68/5,923,754.12 = 1,108,912.40/x
  3. Step 3: Cross multiply
    3,949,021.68x = 5,923,754.12 × 1,108,912.40
  4. Step 4: Simplify right side
    3,949,021.68x = 6,568,924,398,219.09
  5. Step 5: Solve for x
    x = 6,568,924,398,219.09/3,949,021.68
  6. Step 6: Final answer
    x = 1,663,430.83

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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.