Home / 2,018,185.78-2,785,771.26-1,202,645.28

Finding the Fourth Proportional to 2,018,185.78, 2,785,771.26 and 1,202,645.28

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Solution

The fourth proportional to 2,018,185.78, 2,785,771.26 and 1,202,645.28 is: 1,660,052.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,018,185.78 : 2,785,771.26 = 1,202,645.28 : x
  2. Step 2: Convert to fraction form
    2,018,185.78/2,785,771.26 = 1,202,645.28/x
  3. Step 3: Cross multiply
    2,018,185.78x = 2,785,771.26 × 1,202,645.28
  4. Step 4: Simplify right side
    2,018,185.78x = 3,350,294,656,998.65
  5. Step 5: Solve for x
    x = 3,350,294,656,998.65/2,018,185.78
  6. Step 6: Final answer
    x = 1,660,052.65

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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.