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Finding the Fourth Proportional to 3,959,181.07, 5,938,791.37 and 1,400,398.37

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Solution

The fourth proportional to 3,959,181.07, 5,938,791.37 and 1,400,398.37 is: 2,100,604.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,959,181.07 : 5,938,791.37 = 1,400,398.37 : x
  2. Step 2: Convert to fraction form
    3,959,181.07/5,938,791.37 = 1,400,398.37/x
  3. Step 3: Cross multiply
    3,959,181.07x = 5,938,791.37 × 1,400,398.37
  4. Step 4: Simplify right side
    3,959,181.07x = 8,316,673,743,393.58
  5. Step 5: Solve for x
    x = 8,316,673,743,393.58/3,959,181.07
  6. Step 6: Final answer
    x = 2,100,604.54

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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.