Home / 5,112,872.74-7,055,759.10-2,821,033.18

Finding the Fourth Proportional to 5,112,872.74, 7,055,759.10 and 2,821,033.18

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Solution

The fourth proportional to 5,112,872.74, 7,055,759.10 and 2,821,033.18 is: 3,893,022.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,112,872.74 : 7,055,759.10 = 2,821,033.18 : x
  2. Step 2: Convert to fraction form
    5,112,872.74/7,055,759.10 = 2,821,033.18/x
  3. Step 3: Cross multiply
    5,112,872.74x = 7,055,759.10 × 2,821,033.18
  4. Step 4: Simplify right side
    5,112,872.74x = 19,904,530,531,186.94
  5. Step 5: Solve for x
    x = 19,904,530,531,186.94/5,112,872.74
  6. Step 6: Final answer
    x = 3,893,022.87

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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.