Home / 1,815,919.43-2,505,783.36-1,118,089.43

Finding the Fourth Proportional to 1,815,919.43, 2,505,783.36 and 1,118,089.43

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Solution

The fourth proportional to 1,815,919.43, 2,505,783.36 and 1,118,089.43 is: 1,542,849.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,815,919.43 : 2,505,783.36 = 1,118,089.43 : x
  2. Step 2: Convert to fraction form
    1,815,919.43/2,505,783.36 = 1,118,089.43/x
  3. Step 3: Cross multiply
    1,815,919.43x = 2,505,783.36 × 1,118,089.43
  4. Step 4: Simplify right side
    1,815,919.43x = 2,801,689,876,156.97
  5. Step 5: Solve for x
    x = 2,801,689,876,156.97/1,815,919.43
  6. Step 6: Final answer
    x = 1,542,849.22

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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.