Home / 5,168,095-7,131,971.10-2,876,796.97

Finding the Fourth Proportional to 5,168,095, 7,131,971.10 and 2,876,796.97

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Solution

The fourth proportional to 5,168,095, 7,131,971.10 and 2,876,796.97 is: 3,969,979.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,168,095 : 7,131,971.10 = 2,876,796.97 : x
  2. Step 2: Convert to fraction form
    5,168,095/7,131,971.10 = 2,876,796.97/x
  3. Step 3: Cross multiply
    5,168,095x = 7,131,971.10 × 2,876,796.97
  4. Step 4: Simplify right side
    5,168,095x = 20,517,232,850,607.57
  5. Step 5: Solve for x
    x = 20,517,232,850,607.57/5,168,095
  6. Step 6: Final answer
    x = 3,969,979.82

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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.