Home / 5,776,712.75-7,972,112.70-3,198,393.51

Finding the Fourth Proportional to 5,776,712.75, 7,972,112.70 and 3,198,393.51

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Solution

The fourth proportional to 5,776,712.75, 7,972,112.70 and 3,198,393.51 is: 4,413,920.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,776,712.75 : 7,972,112.70 = 3,198,393.51 : x
  2. Step 2: Convert to fraction form
    5,776,712.75/7,972,112.70 = 3,198,393.51/x
  3. Step 3: Cross multiply
    5,776,712.75x = 7,972,112.70 × 3,198,393.51
  4. Step 4: Simplify right side
    5,776,712.75x = 25,497,953,520,668.57
  5. Step 5: Solve for x
    x = 25,497,953,520,668.57/5,776,712.75
  6. Step 6: Final answer
    x = 4,413,920.97

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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.