Home / 3,122,728-4,309,367.52-1,691,944

Finding the Fourth Proportional to 3,122,728, 4,309,367.52 and 1,691,944

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Solution

The fourth proportional to 3,122,728, 4,309,367.52 and 1,691,944 is: 2,334,884.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,122,728 : 4,309,367.52 = 1,691,944 : x
  2. Step 2: Convert to fraction form
    3,122,728/4,309,367.52 = 1,691,944/x
  3. Step 3: Cross multiply
    3,122,728x = 4,309,367.52 × 1,691,944
  4. Step 4: Simplify right side
    3,122,728x = 7,291,208,519,258.88
  5. Step 5: Solve for x
    x = 7,291,208,519,258.88/3,122,728
  6. Step 6: Final answer
    x = 2,334,884.28

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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.