Home / 5,112,893.33-7,055,940.34-2,821,201.64

Finding the Fourth Proportional to 5,112,893.33, 7,055,940.34 and 2,821,201.64

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Solution

The fourth proportional to 5,112,893.33, 7,055,940.34 and 2,821,201.64 is: 3,893,339.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,112,893.33 : 7,055,940.34 = 2,821,201.64 : x
  2. Step 2: Convert to fraction form
    5,112,893.33/7,055,940.34 = 2,821,201.64/x
  3. Step 3: Cross multiply
    5,112,893.33x = 7,055,940.34 × 2,821,201.64
  4. Step 4: Simplify right side
    5,112,893.33x = 19,906,230,458,950.16
  5. Step 5: Solve for x
    x = 19,906,230,458,950.16/5,112,893.33
  6. Step 6: Final answer
    x = 3,893,339.68

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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.