Home / 3,427,410.64-4,728,745.96-1,976,911.60

Finding the Fourth Proportional to 3,427,410.64, 4,728,745.96 and 1,976,911.60

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Solution

The fourth proportional to 3,427,410.64, 4,728,745.96 and 1,976,911.60 is: 2,727,514.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,427,410.64 : 4,728,745.96 = 1,976,911.60 : x
  2. Step 2: Convert to fraction form
    3,427,410.64/4,728,745.96 = 1,976,911.60/x
  3. Step 3: Cross multiply
    3,427,410.64x = 4,728,745.96 × 1,976,911.60
  4. Step 4: Simplify right side
    3,427,410.64x = 9,348,312,741,777.14
  5. Step 5: Solve for x
    x = 9,348,312,741,777.14/3,427,410.64
  6. Step 6: Final answer
    x = 2,727,514.65

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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.