Home / 3,550,580.80-5,322,760.80-2,131,201.60

Finding the Fourth Proportional to 3,550,580.80, 5,322,760.80 and 2,131,201.60

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Solution

The fourth proportional to 3,550,580.80, 5,322,760.80 and 2,131,201.60 is: 3,194,935.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,550,580.80 : 5,322,760.80 = 2,131,201.60 : x
  2. Step 2: Convert to fraction form
    3,550,580.80/5,322,760.80 = 2,131,201.60/x
  3. Step 3: Cross multiply
    3,550,580.80x = 5,322,760.80 × 2,131,201.60
  4. Step 4: Simplify right side
    3,550,580.80x = 11,343,876,333,377.28
  5. Step 5: Solve for x
    x = 11,343,876,333,377.28/3,550,580.80
  6. Step 6: Final answer
    x = 3,194,935.41

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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.