Home / 3,825,707.92-5,279,672.39-2,171,970.95

Finding the Fourth Proportional to 3,825,707.92, 5,279,672.39 and 2,171,970.95

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Solution

The fourth proportional to 3,825,707.92, 5,279,672.39 and 2,171,970.95 is: 2,997,430.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,825,707.92 : 5,279,672.39 = 2,171,970.95 : x
  2. Step 2: Convert to fraction form
    3,825,707.92/5,279,672.39 = 2,171,970.95/x
  3. Step 3: Cross multiply
    3,825,707.92x = 5,279,672.39 × 2,171,970.95
  4. Step 4: Simplify right side
    3,825,707.92x = 11,467,295,019,338.85
  5. Step 5: Solve for x
    x = 11,467,295,019,338.85/3,825,707.92
  6. Step 6: Final answer
    x = 2,997,430.87

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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.