Home / 1,972,648.22-2,722,874.81-1,157,181.53

Finding the Fourth Proportional to 1,972,648.22, 2,722,874.81 and 1,157,181.53

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Solution

The fourth proportional to 1,972,648.22, 2,722,874.81 and 1,157,181.53 is: 1,597,274.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,972,648.22 : 2,722,874.81 = 1,157,181.53 : x
  2. Step 2: Convert to fraction form
    1,972,648.22/2,722,874.81 = 1,157,181.53/x
  3. Step 3: Cross multiply
    1,972,648.22x = 2,722,874.81 × 1,157,181.53
  4. Step 4: Simplify right side
    1,972,648.22x = 3,150,860,419,233.98
  5. Step 5: Solve for x
    x = 3,150,860,419,233.98/1,972,648.22
  6. Step 6: Final answer
    x = 1,597,274.36

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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.