Home / 2,055,396.70-3,078,961.62-1,155,489.94

Finding the Fourth Proportional to 2,055,396.70, 3,078,961.62 and 1,155,489.94

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Solution

The fourth proportional to 2,055,396.70, 3,078,961.62 and 1,155,489.94 is: 1,730,911.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,055,396.70 : 3,078,961.62 = 1,155,489.94 : x
  2. Step 2: Convert to fraction form
    2,055,396.70/3,078,961.62 = 1,155,489.94/x
  3. Step 3: Cross multiply
    2,055,396.70x = 3,078,961.62 × 1,155,489.94
  4. Step 4: Simplify right side
    2,055,396.70x = 3,557,709,177,556.10
  5. Step 5: Solve for x
    x = 3,557,709,177,556.10/2,055,396.70
  6. Step 6: Final answer
    x = 1,730,911.20

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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.