Home / 3,555,185.31-4,906,120.81-1,923,556.88

Finding the Fourth Proportional to 3,555,185.31, 4,906,120.81 and 1,923,556.88

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Solution

The fourth proportional to 3,555,185.31, 4,906,120.81 and 1,923,556.88 is: 2,654,489.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,555,185.31 : 4,906,120.81 = 1,923,556.88 : x
  2. Step 2: Convert to fraction form
    3,555,185.31/4,906,120.81 = 1,923,556.88/x
  3. Step 3: Cross multiply
    3,555,185.31x = 4,906,120.81 × 1,923,556.88
  4. Step 4: Simplify right side
    3,555,185.31x = 9,437,202,438,186.67
  5. Step 5: Solve for x
    x = 9,437,202,438,186.67/3,555,185.31
  6. Step 6: Final answer
    x = 2,654,489.60

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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.