Home / 1,910,720.82-2,863,908.38-998,496.78

Finding the Fourth Proportional to 1,910,720.82, 2,863,908.38 and 998,496.78

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Solution

The fourth proportional to 1,910,720.82, 2,863,908.38 and 998,496.78 is: 1,496,609.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,910,720.82 : 2,863,908.38 = 998,496.78 : x
  2. Step 2: Convert to fraction form
    1,910,720.82/2,863,908.38 = 998,496.78/x
  3. Step 3: Cross multiply
    1,910,720.82x = 2,863,908.38 × 998,496.78
  4. Step 4: Simplify right side
    1,910,720.82x = 2,859,603,295,645.02
  5. Step 5: Solve for x
    x = 2,859,603,295,645.02/1,910,720.82
  6. Step 6: Final answer
    x = 1,496,609.69

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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.