Home / 2,638,615.96-3,641,297.04-1,431,391.96

Finding the Fourth Proportional to 2,638,615.96, 3,641,297.04 and 1,431,391.96

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Solution

The fourth proportional to 2,638,615.96, 3,641,297.04 and 1,431,391.96 is: 1,975,324.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,638,615.96 : 3,641,297.04 = 1,431,391.96 : x
  2. Step 2: Convert to fraction form
    2,638,615.96/3,641,297.04 = 1,431,391.96/x
  3. Step 3: Cross multiply
    2,638,615.96x = 3,641,297.04 × 1,431,391.96
  4. Step 4: Simplify right side
    2,638,615.96x = 5,212,123,307,027.80
  5. Step 5: Solve for x
    x = 5,212,123,307,027.80/2,638,615.96
  6. Step 6: Final answer
    x = 1,975,324.71

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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.