Home / 2,556,879.21-3,529,097.20-1,469,781.45

Finding the Fourth Proportional to 2,556,879.21, 3,529,097.20 and 1,469,781.45

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Solution

The fourth proportional to 2,556,879.21, 3,529,097.20 and 1,469,781.45 is: 2,028,645.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,556,879.21 : 3,529,097.20 = 1,469,781.45 : x
  2. Step 2: Convert to fraction form
    2,556,879.21/3,529,097.20 = 1,469,781.45/x
  3. Step 3: Cross multiply
    2,556,879.21x = 3,529,097.20 × 1,469,781.45
  4. Step 4: Simplify right side
    2,556,879.21x = 5,187,001,601,644.17
  5. Step 5: Solve for x
    x = 5,187,001,601,644.17/2,556,879.21
  6. Step 6: Final answer
    x = 2,028,645.54

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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.