Home / 3,505,940.26-4,838,202.22-1,978,189.54

Finding the Fourth Proportional to 3,505,940.26, 4,838,202.22 and 1,978,189.54

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Solution

The fourth proportional to 3,505,940.26, 4,838,202.22 and 1,978,189.54 is: 2,729,904.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,505,940.26 : 4,838,202.22 = 1,978,189.54 : x
  2. Step 2: Convert to fraction form
    3,505,940.26/4,838,202.22 = 1,978,189.54/x
  3. Step 3: Cross multiply
    3,505,940.26x = 4,838,202.22 × 1,978,189.54
  4. Step 4: Simplify right side
    3,505,940.26x = 9,570,881,024,008.78
  5. Step 5: Solve for x
    x = 9,570,881,024,008.78/3,505,940.26
  6. Step 6: Final answer
    x = 2,729,904.20

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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.