Home / 1,998,074.54-2,757,556.54-1,224,218.93

Finding the Fourth Proportional to 1,998,074.54, 2,757,556.54 and 1,224,218.93

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Solution

The fourth proportional to 1,998,074.54, 2,757,556.54 and 1,224,218.93 is: 1,689,553.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,998,074.54 : 2,757,556.54 = 1,224,218.93 : x
  2. Step 2: Convert to fraction form
    1,998,074.54/2,757,556.54 = 1,224,218.93/x
  3. Step 3: Cross multiply
    1,998,074.54x = 2,757,556.54 × 1,224,218.93
  4. Step 4: Simplify right side
    1,998,074.54x = 3,375,852,920,067.05
  5. Step 5: Solve for x
    x = 3,375,852,920,067.05/1,998,074.54
  6. Step 6: Final answer
    x = 1,689,553.05

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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.