Home / 2,487,556.73-3,728,185.20-1,208,456.97

Finding the Fourth Proportional to 2,487,556.73, 3,728,185.20 and 1,208,456.97

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Solution

The fourth proportional to 2,487,556.73, 3,728,185.20 and 1,208,456.97 is: 1,811,155.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,487,556.73 : 3,728,185.20 = 1,208,456.97 : x
  2. Step 2: Convert to fraction form
    2,487,556.73/3,728,185.20 = 1,208,456.97/x
  3. Step 3: Cross multiply
    2,487,556.73x = 3,728,185.20 × 1,208,456.97
  4. Step 4: Simplify right side
    2,487,556.73x = 4,505,351,390,390.84
  5. Step 5: Solve for x
    x = 4,505,351,390,390.84/2,487,556.73
  6. Step 6: Final answer
    x = 1,811,155.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.