Home / 5,112,889.52-7,055,935.09-2,821,197.83

Finding the Fourth Proportional to 5,112,889.52, 7,055,935.09 and 2,821,197.83

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Solution

The fourth proportional to 5,112,889.52, 7,055,935.09 and 2,821,197.83 is: 3,893,334.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,112,889.52 : 7,055,935.09 = 2,821,197.83 : x
  2. Step 2: Convert to fraction form
    5,112,889.52/7,055,935.09 = 2,821,197.83/x
  3. Step 3: Cross multiply
    5,112,889.52x = 7,055,935.09 × 2,821,197.83
  4. Step 4: Simplify right side
    5,112,889.52x = 19,906,188,722,196.19
  5. Step 5: Solve for x
    x = 19,906,188,722,196.19/5,112,889.52
  6. Step 6: Final answer
    x = 3,893,334.42

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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.