Home / 5,112,908.82-7,055,961.72-2,821,217.16

Finding the Fourth Proportional to 5,112,908.82, 7,055,961.72 and 2,821,217.16

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Solution

The fourth proportional to 5,112,908.82, 7,055,961.72 and 2,821,217.16 is: 3,893,361.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,112,908.82 : 7,055,961.72 = 2,821,217.16 : x
  2. Step 2: Convert to fraction form
    5,112,908.82/7,055,961.72 = 2,821,217.16/x
  3. Step 3: Cross multiply
    5,112,908.82x = 7,055,961.72 × 2,821,217.16
  4. Step 4: Simplify right side
    5,112,908.82x = 19,906,400,284,767.12
  5. Step 5: Solve for x
    x = 19,906,400,284,767.12/5,112,908.82
  6. Step 6: Final answer
    x = 3,893,361.10

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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.