Home / 3,957,385.92-5,453,728.80-3,171,559.23

Finding the Fourth Proportional to 3,957,385.92, 5,453,728.80 and 3,171,559.23

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Solution

The fourth proportional to 3,957,385.92, 5,453,728.80 and 3,171,559.23 is: 4,370,770.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,957,385.92 : 5,453,728.80 = 3,171,559.23 : x
  2. Step 2: Convert to fraction form
    3,957,385.92/5,453,728.80 = 3,171,559.23/x
  3. Step 3: Cross multiply
    3,957,385.92x = 5,453,728.80 × 3,171,559.23
  4. Step 4: Simplify right side
    3,957,385.92x = 17,296,823,913,556.82
  5. Step 5: Solve for x
    x = 17,296,823,913,556.82/3,957,385.92
  6. Step 6: Final answer
    x = 4,370,770.06

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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.