Home / 3,115,229.31-4,299,072.44-1,826,998.83

Finding the Fourth Proportional to 3,115,229.31, 4,299,072.44 and 1,826,998.83

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Solution

The fourth proportional to 3,115,229.31, 4,299,072.44 and 1,826,998.83 is: 2,521,291.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,115,229.31 : 4,299,072.44 = 1,826,998.83 : x
  2. Step 2: Convert to fraction form
    3,115,229.31/4,299,072.44 = 1,826,998.83/x
  3. Step 3: Cross multiply
    3,115,229.31x = 4,299,072.44 × 1,826,998.83
  4. Step 4: Simplify right side
    3,115,229.31x = 7,854,400,308,830.25
  5. Step 5: Solve for x
    x = 7,854,400,308,830.25/3,115,229.31
  6. Step 6: Final answer
    x = 2,521,291.22

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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.