Home / 3,917,004.80-5,405,855.08-2,198,132.16

Finding the Fourth Proportional to 3,917,004.80, 5,405,855.08 and 2,198,132.16

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Solution

The fourth proportional to 3,917,004.80, 5,405,855.08 and 2,198,132.16 is: 3,033,640.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,917,004.80 : 5,405,855.08 = 2,198,132.16 : x
  2. Step 2: Convert to fraction form
    3,917,004.80/5,405,855.08 = 2,198,132.16/x
  3. Step 3: Cross multiply
    3,917,004.80x = 5,405,855.08 × 2,198,132.16
  4. Step 4: Simplify right side
    3,917,004.80x = 11,882,783,903,647.37
  5. Step 5: Solve for x
    x = 11,882,783,903,647.37/3,917,004.80
  6. Step 6: Final answer
    x = 3,033,640.37

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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.