Home / 2,231,181.96-3,079,029.70-1,212,586.92

Finding the Fourth Proportional to 2,231,181.96, 3,079,029.70 and 1,212,586.92

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Solution

The fourth proportional to 2,231,181.96, 3,079,029.70 and 1,212,586.92 is: 1,673,369.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,231,181.96 : 3,079,029.70 = 1,212,586.92 : x
  2. Step 2: Convert to fraction form
    2,231,181.96/3,079,029.70 = 1,212,586.92/x
  3. Step 3: Cross multiply
    2,231,181.96x = 3,079,029.70 × 1,212,586.92
  4. Step 4: Simplify right side
    2,231,181.96x = 3,733,591,140,511.52
  5. Step 5: Solve for x
    x = 3,733,591,140,511.52/2,231,181.96
  6. Step 6: Final answer
    x = 1,673,369.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.