Home / 1,948,872.66-2,689,455.06-1,089,469.14

Finding the Fourth Proportional to 1,948,872.66, 2,689,455.06 and 1,089,469.14

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Solution

The fourth proportional to 1,948,872.66, 2,689,455.06 and 1,089,469.14 is: 1,503,473.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,948,872.66 : 2,689,455.06 = 1,089,469.14 : x
  2. Step 2: Convert to fraction form
    1,948,872.66/2,689,455.06 = 1,089,469.14/x
  3. Step 3: Cross multiply
    1,948,872.66x = 2,689,455.06 × 1,089,469.14
  4. Step 4: Simplify right side
    1,948,872.66x = 2,930,078,291,286.85
  5. Step 5: Solve for x
    x = 2,930,078,291,286.85/1,948,872.66
  6. Step 6: Final answer
    x = 1,503,473.44

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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.