Home / 3,608,028.48-4,979,019.60-1,976,420.64

Finding the Fourth Proportional to 3,608,028.48, 4,979,019.60 and 1,976,420.64

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Solution

The fourth proportional to 3,608,028.48, 4,979,019.60 and 1,976,420.64 is: 2,727,427.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,608,028.48 : 4,979,019.60 = 1,976,420.64 : x
  2. Step 2: Convert to fraction form
    3,608,028.48/4,979,019.60 = 1,976,420.64/x
  3. Step 3: Cross multiply
    3,608,028.48x = 4,979,019.60 × 1,976,420.64
  4. Step 4: Simplify right side
    3,608,028.48x = 9,840,637,104,404.54
  5. Step 5: Solve for x
    x = 9,840,637,104,404.54/3,608,028.48
  6. Step 6: Final answer
    x = 2,727,427.78

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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.