Home / 6,743,279-9,305,721-3,687,493.28

Finding the Fourth Proportional to 6,743,279, 9,305,721 and 3,687,493.28

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Solution

The fourth proportional to 6,743,279, 9,305,721 and 3,687,493.28 is: 5,088,738.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,743,279 : 9,305,721 = 3,687,493.28 : x
  2. Step 2: Convert to fraction form
    6,743,279/9,305,721 = 3,687,493.28/x
  3. Step 3: Cross multiply
    6,743,279x = 9,305,721 × 3,687,493.28
  4. Step 4: Simplify right side
    6,743,279x = 34,314,783,653,054.88
  5. Step 5: Solve for x
    x = 34,314,783,653,054.88/6,743,279
  6. Step 6: Final answer
    x = 5,088,738.53

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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.