Home / 3,505,938.26-4,838,199.46-1,978,187.54

Finding the Fourth Proportional to 3,505,938.26, 4,838,199.46 and 1,978,187.54

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Solution

The fourth proportional to 3,505,938.26, 4,838,199.46 and 1,978,187.54 is: 2,729,901.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,505,938.26 : 4,838,199.46 = 1,978,187.54 : x
  2. Step 2: Convert to fraction form
    3,505,938.26/4,838,199.46 = 1,978,187.54/x
  3. Step 3: Cross multiply
    3,505,938.26x = 4,838,199.46 × 1,978,187.54
  4. Step 4: Simplify right side
    3,505,938.26x = 9,570,865,858,670.26
  5. Step 5: Solve for x
    x = 9,570,865,858,670.26/3,505,938.26
  6. Step 6: Final answer
    x = 2,729,901.43

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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.