Home / 2,556,987-3,836,001.60-1,040,656.20

Finding the Fourth Proportional to 2,556,987, 3,836,001.60 and 1,040,656.20

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Solution

The fourth proportional to 2,556,987, 3,836,001.60 and 1,040,656.20 is: 1,561,196.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,556,987 : 3,836,001.60 = 1,040,656.20 : x
  2. Step 2: Convert to fraction form
    2,556,987/3,836,001.60 = 1,040,656.20/x
  3. Step 3: Cross multiply
    2,556,987x = 3,836,001.60 × 1,040,656.20
  4. Step 4: Simplify right side
    2,556,987x = 3,991,958,848,249.92
  5. Step 5: Solve for x
    x = 3,991,958,848,249.92/2,556,987
  6. Step 6: Final answer
    x = 1,561,196.38

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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.