Home / 2,200,220.72-3,301,272.16-921,127.04

Finding the Fourth Proportional to 2,200,220.72, 3,301,272.16 and 921,127.04

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Solution

The fourth proportional to 2,200,220.72, 3,301,272.16 and 921,127.04 is: 1,382,084.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,200,220.72 : 3,301,272.16 = 921,127.04 : x
  2. Step 2: Convert to fraction form
    2,200,220.72/3,301,272.16 = 921,127.04/x
  3. Step 3: Cross multiply
    2,200,220.72x = 3,301,272.16 × 921,127.04
  4. Step 4: Simplify right side
    2,200,220.72x = 3,040,891,052,975.21
  5. Step 5: Solve for x
    x = 3,040,891,052,975.21/2,200,220.72
  6. Step 6: Final answer
    x = 1,382,084.55

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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.