Home / 2,025,902.69-2,793,009.82-1,299,489.32

Finding the Fourth Proportional to 2,025,902.69, 2,793,009.82 and 1,299,489.32

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Solution

The fourth proportional to 2,025,902.69, 2,793,009.82 and 1,299,489.32 is: 1,791,540.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,025,902.69 : 2,793,009.82 = 1,299,489.32 : x
  2. Step 2: Convert to fraction form
    2,025,902.69/2,793,009.82 = 1,299,489.32/x
  3. Step 3: Cross multiply
    2,025,902.69x = 2,793,009.82 × 1,299,489.32
  4. Step 4: Simplify right side
    2,025,902.69x = 3,629,486,431,745.12
  5. Step 5: Solve for x
    x = 3,629,486,431,745.12/2,025,902.69
  6. Step 6: Final answer
    x = 1,791,540.36

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1.5x scale

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.