Home / 5,109,067.71-7,663,782.62-1,270,910.13

Finding the Fourth Proportional to 5,109,067.71, 7,663,782.62 and 1,270,910.13

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Solution

The fourth proportional to 5,109,067.71, 7,663,782.62 and 1,270,910.13 is: 1,906,410.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,109,067.71 : 7,663,782.62 = 1,270,910.13 : x
  2. Step 2: Convert to fraction form
    5,109,067.71/7,663,782.62 = 1,270,910.13/x
  3. Step 3: Cross multiply
    5,109,067.71x = 7,663,782.62 × 1,270,910.13
  4. Step 4: Simplify right side
    5,109,067.71x = 9,739,978,959,521.39
  5. Step 5: Solve for x
    x = 9,739,978,959,521.39/5,109,067.71
  6. Step 6: Final answer
    x = 1,906,410.23

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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.