Home / 1,815,109.56-2,722,664.88-677,961.36

Finding the Fourth Proportional to 1,815,109.56, 2,722,664.88 and 677,961.36

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Solution

The fourth proportional to 1,815,109.56, 2,722,664.88 and 677,961.36 is: 1,016,942.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,815,109.56 : 2,722,664.88 = 677,961.36 : x
  2. Step 2: Convert to fraction form
    1,815,109.56/2,722,664.88 = 677,961.36/x
  3. Step 3: Cross multiply
    1,815,109.56x = 2,722,664.88 × 677,961.36
  4. Step 4: Simplify right side
    1,815,109.56x = 1,845,861,584,869.04
  5. Step 5: Solve for x
    x = 1,845,861,584,869.04/1,815,109.56
  6. Step 6: Final answer
    x = 1,016,942.24

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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.