Home / 5,177,991.75-7,767,098.19-1,339,896.66

Finding the Fourth Proportional to 5,177,991.75, 7,767,098.19 and 1,339,896.66

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Solution

The fourth proportional to 5,177,991.75, 7,767,098.19 and 1,339,896.66 is: 2,009,873.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,177,991.75 : 7,767,098.19 = 1,339,896.66 : x
  2. Step 2: Convert to fraction form
    5,177,991.75/7,767,098.19 = 1,339,896.66/x
  3. Step 3: Cross multiply
    5,177,991.75x = 7,767,098.19 × 1,339,896.66
  4. Step 4: Simplify right side
    5,177,991.75x = 10,407,108,922,673.04
  5. Step 5: Solve for x
    x = 10,407,108,922,673.04/5,177,991.75
  6. Step 6: Final answer
    x = 2,009,873.60

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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.