Home / 3,990,928.22-5,507,480.94-2,180,092.22

Finding the Fourth Proportional to 3,990,928.22, 5,507,480.94 and 2,180,092.22

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Solution

The fourth proportional to 3,990,928.22, 5,507,480.94 and 2,180,092.22 is: 3,008,527.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,990,928.22 : 5,507,480.94 = 2,180,092.22 : x
  2. Step 2: Convert to fraction form
    3,990,928.22/5,507,480.94 = 2,180,092.22/x
  3. Step 3: Cross multiply
    3,990,928.22x = 5,507,480.94 × 2,180,092.22
  4. Step 4: Simplify right side
    3,990,928.22x = 12,006,816,346,295.61
  5. Step 5: Solve for x
    x = 12,006,816,346,295.61/3,990,928.22
  6. Step 6: Final answer
    x = 3,008,527.26

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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.