Home / 1,961,711.96-2,940,979.80-613,180.22

Finding the Fourth Proportional to 1,961,711.96, 2,940,979.80 and 613,180.22

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Solution

The fourth proportional to 1,961,711.96, 2,940,979.80 and 613,180.22 is: 919,273.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,961,711.96 : 2,940,979.80 = 613,180.22 : x
  2. Step 2: Convert to fraction form
    1,961,711.96/2,940,979.80 = 613,180.22/x
  3. Step 3: Cross multiply
    1,961,711.96x = 2,940,979.80 × 613,180.22
  4. Step 4: Simplify right side
    1,961,711.96x = 1,803,350,640,779.56
  5. Step 5: Solve for x
    x = 1,803,350,640,779.56/1,961,711.96
  6. Step 6: Final answer
    x = 919,273.92

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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.