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Finding the Fourth Proportional to 3,294,794.75, 4,942,673.26 and 1,020,522.51

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Solution

The fourth proportional to 3,294,794.75, 4,942,673.26 and 1,020,522.51 is: 1,530,932.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,294,794.75 : 4,942,673.26 = 1,020,522.51 : x
  2. Step 2: Convert to fraction form
    3,294,794.75/4,942,673.26 = 1,020,522.51/x
  3. Step 3: Cross multiply
    3,294,794.75x = 4,942,673.26 × 1,020,522.51
  4. Step 4: Simplify right side
    3,294,794.75x = 5,044,109,318,853.78
  5. Step 5: Solve for x
    x = 5,044,109,318,853.78/3,294,794.75
  6. Step 6: Final answer
    x = 1,530,932.79

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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.