Home / 5,102,072.70-7,040,859.57-2,810,233.32

Finding the Fourth Proportional to 5,102,072.70, 7,040,859.57 and 2,810,233.32

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Solution

The fourth proportional to 5,102,072.70, 7,040,859.57 and 2,810,233.32 is: 3,878,121.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,102,072.70 : 7,040,859.57 = 2,810,233.32 : x
  2. Step 2: Convert to fraction form
    5,102,072.70/7,040,859.57 = 2,810,233.32/x
  3. Step 3: Cross multiply
    5,102,072.70x = 7,040,859.57 × 2,810,233.32
  4. Step 4: Simplify right side
    5,102,072.70x = 19,786,458,165,054.87
  5. Step 5: Solve for x
    x = 19,786,458,165,054.87/5,102,072.70
  6. Step 6: Final answer
    x = 3,878,121.57

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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.