Home / 1,961,144.93-2,940,032.61-681,586.18

Finding the Fourth Proportional to 1,961,144.93, 2,940,032.61 and 681,586.18

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Solution

The fourth proportional to 1,961,144.93, 2,940,032.61 and 681,586.18 is: 1,021,793.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,961,144.93 : 2,940,032.61 = 681,586.18 : x
  2. Step 2: Convert to fraction form
    1,961,144.93/2,940,032.61 = 681,586.18/x
  3. Step 3: Cross multiply
    1,961,144.93x = 2,940,032.61 × 681,586.18
  4. Step 4: Simplify right side
    1,961,144.93x = 2,003,885,588,375.25
  5. Step 5: Solve for x
    x = 2,003,885,588,375.25/1,961,144.93
  6. Step 6: Final answer
    x = 1,021,793.73

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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.