Home / 5,109,067.21-7,663,781.87-1,270,909.63

Finding the Fourth Proportional to 5,109,067.21, 7,663,781.87 and 1,270,909.63

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Solution

The fourth proportional to 5,109,067.21, 7,663,781.87 and 1,270,909.63 is: 1,906,409.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,109,067.21 : 7,663,781.87 = 1,270,909.63 : x
  2. Step 2: Convert to fraction form
    5,109,067.21/7,663,781.87 = 1,270,909.63/x
  3. Step 3: Cross multiply
    5,109,067.21x = 7,663,781.87 × 1,270,909.63
  4. Step 4: Simplify right side
    5,109,067.21x = 9,739,974,180,802.41
  5. Step 5: Solve for x
    x = 9,739,974,180,802.41/5,109,067.21
  6. Step 6: Final answer
    x = 1,906,409.48

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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.