Home / 2,311,798.28-3,469,067.34-1,287,985.49

Finding the Fourth Proportional to 2,311,798.28, 3,469,067.34 and 1,287,985.49

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Solution

The fourth proportional to 2,311,798.28, 3,469,067.34 and 1,287,985.49 is: 1,932,741.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,311,798.28 : 3,469,067.34 = 1,287,985.49 : x
  2. Step 2: Convert to fraction form
    2,311,798.28/3,469,067.34 = 1,287,985.49/x
  3. Step 3: Cross multiply
    2,311,798.28x = 3,469,067.34 × 1,287,985.49
  4. Step 4: Simplify right side
    2,311,798.28x = 4,468,108,397,752.90
  5. Step 5: Solve for x
    x = 4,468,108,397,752.90/2,311,798.28
  6. Step 6: Final answer
    x = 1,932,741.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.