Home / 2,638,249-3,956,364.68-1,439,530.54

Finding the Fourth Proportional to 2,638,249, 3,956,364.68 and 1,439,530.54

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Solution

The fourth proportional to 2,638,249, 3,956,364.68 and 1,439,530.54 is: 2,158,745.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,638,249 : 3,956,364.68 = 1,439,530.54 : x
  2. Step 2: Convert to fraction form
    2,638,249/3,956,364.68 = 1,439,530.54/x
  3. Step 3: Cross multiply
    2,638,249x = 3,956,364.68 × 1,439,530.54
  4. Step 4: Simplify right side
    2,638,249x = 5,695,307,784,237.33
  5. Step 5: Solve for x
    x = 5,695,307,784,237.33/2,638,249
  6. Step 6: Final answer
    x = 2,158,745.36

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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.