Home / 2,638,249.25-3,956,365.07-1,439,530.79

Finding the Fourth Proportional to 2,638,249.25, 3,956,365.07 and 1,439,530.79

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Solution

The fourth proportional to 2,638,249.25, 3,956,365.07 and 1,439,530.79 is: 2,158,745.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,638,249.25 : 3,956,365.07 = 1,439,530.79 : x
  2. Step 2: Convert to fraction form
    2,638,249.25/3,956,365.07 = 1,439,530.79/x
  3. Step 3: Cross multiply
    2,638,249.25x = 3,956,365.07 × 1,439,530.79
  4. Step 4: Simplify right side
    2,638,249.25x = 5,695,309,327,547.85
  5. Step 5: Solve for x
    x = 5,695,309,327,547.85/2,638,249.25
  6. Step 6: Final answer
    x = 2,158,745.74

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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.