Home / 3,821,979.56-5,274,172.51-2,079,655.79

Finding the Fourth Proportional to 3,821,979.56, 5,274,172.51 and 2,079,655.79

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Solution

The fourth proportional to 3,821,979.56, 5,274,172.51 and 2,079,655.79 is: 2,869,838.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,821,979.56 : 5,274,172.51 = 2,079,655.79 : x
  2. Step 2: Convert to fraction form
    3,821,979.56/5,274,172.51 = 2,079,655.79/x
  3. Step 3: Cross multiply
    3,821,979.56x = 5,274,172.51 × 2,079,655.79
  4. Step 4: Simplify right side
    3,821,979.56x = 10,968,463,366,310.33
  5. Step 5: Solve for x
    x = 10,968,463,366,310.33/3,821,979.56
  6. Step 6: Final answer
    x = 2,869,838.32

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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.