Home / 3,821,979.49-5,274,172.42-2,079,655.72

Finding the Fourth Proportional to 3,821,979.49, 5,274,172.42 and 2,079,655.72

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Solution

The fourth proportional to 3,821,979.49, 5,274,172.42 and 2,079,655.72 is: 2,869,838.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,821,979.49 : 5,274,172.42 = 2,079,655.72 : x
  2. Step 2: Convert to fraction form
    3,821,979.49/5,274,172.42 = 2,079,655.72/x
  3. Step 3: Cross multiply
    3,821,979.49x = 5,274,172.42 × 2,079,655.72
  4. Step 4: Simplify right side
    3,821,979.49x = 10,968,462,854,704.67
  5. Step 5: Solve for x
    x = 10,968,462,854,704.67/3,821,979.49
  6. Step 6: Final answer
    x = 2,869,838.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.