Home / 3,834,745.69-5,292,059.79-2,115,976.92

Finding the Fourth Proportional to 3,834,745.69, 5,292,059.79 and 2,115,976.92

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Solution

The fourth proportional to 3,834,745.69, 5,292,059.79 and 2,115,976.92 is: 2,920,109.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,834,745.69 : 5,292,059.79 = 2,115,976.92 : x
  2. Step 2: Convert to fraction form
    3,834,745.69/5,292,059.79 = 2,115,976.92/x
  3. Step 3: Cross multiply
    3,834,745.69x = 5,292,059.79 × 2,115,976.92
  4. Step 4: Simplify right side
    3,834,745.69x = 11,197,876,374,900.05
  5. Step 5: Solve for x
    x = 11,197,876,374,900.05/3,834,745.69
  6. Step 6: Final answer
    x = 2,920,109.25

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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.