Home / 3,747,172.85-5,168,940.01-2,255,986.42

Finding the Fourth Proportional to 3,747,172.85, 5,168,940.01 and 2,255,986.42

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Solution

The fourth proportional to 3,747,172.85, 5,168,940.01 and 2,255,986.42 is: 3,111,961.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,747,172.85 : 5,168,940.01 = 2,255,986.42 : x
  2. Step 2: Convert to fraction form
    3,747,172.85/5,168,940.01 = 2,255,986.42/x
  3. Step 3: Cross multiply
    3,747,172.85x = 5,168,940.01 × 2,255,986.42
  4. Step 4: Simplify right side
    3,747,172.85x = 11,661,058,442,509.96
  5. Step 5: Solve for x
    x = 11,661,058,442,509.96/3,747,172.85
  6. Step 6: Final answer
    x = 3,111,961.71

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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.