Home / 2,606,645.28-3,910,507.20-1,259,745.12

Finding the Fourth Proportional to 2,606,645.28, 3,910,507.20 and 1,259,745.12

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Solution

The fourth proportional to 2,606,645.28, 3,910,507.20 and 1,259,745.12 is: 1,889,878.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,606,645.28 : 3,910,507.20 = 1,259,745.12 : x
  2. Step 2: Convert to fraction form
    2,606,645.28/3,910,507.20 = 1,259,745.12/x
  3. Step 3: Cross multiply
    2,606,645.28x = 3,910,507.20 × 1,259,745.12
  4. Step 4: Simplify right side
    2,606,645.28x = 4,926,242,361,924.86
  5. Step 5: Solve for x
    x = 4,926,242,361,924.86/2,606,645.28
  6. Step 6: Final answer
    x = 1,889,878.30

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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.