Home / 2,990,918.79-4,127,446.94-1,632,791.79

Finding the Fourth Proportional to 2,990,918.79, 4,127,446.94 and 1,632,791.79

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Solution

The fourth proportional to 2,990,918.79, 4,127,446.94 and 1,632,791.79 is: 2,253,241.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,990,918.79 : 4,127,446.94 = 1,632,791.79 : x
  2. Step 2: Convert to fraction form
    2,990,918.79/4,127,446.94 = 1,632,791.79/x
  3. Step 3: Cross multiply
    2,990,918.79x = 4,127,446.94 × 1,632,791.79
  4. Step 4: Simplify right side
    2,990,918.79x = 6,739,261,469,128.66
  5. Step 5: Solve for x
    x = 6,739,261,469,128.66/2,990,918.79
  6. Step 6: Final answer
    x = 2,253,241.21

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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.