Home / 5,776,976.76-7,972,676.78-3,198,897.40

Finding the Fourth Proportional to 5,776,976.76, 7,972,676.78 and 3,198,897.40

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Solution

The fourth proportional to 5,776,976.76, 7,972,676.78 and 3,198,897.40 is: 4,414,726.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,776,976.76 : 7,972,676.78 = 3,198,897.40 : x
  2. Step 2: Convert to fraction form
    5,776,976.76/7,972,676.78 = 3,198,897.40/x
  3. Step 3: Cross multiply
    5,776,976.76x = 7,972,676.78 × 3,198,897.40
  4. Step 4: Simplify right side
    5,776,976.76x = 25,503,775,022,582.37
  5. Step 5: Solve for x
    x = 25,503,775,022,582.37/5,776,976.76
  6. Step 6: Final answer
    x = 4,414,726.96

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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.