Home / 3,136,640.78-4,705,241.84-1,217,506.97

Finding the Fourth Proportional to 3,136,640.78, 4,705,241.84 and 1,217,506.97

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Solution

The fourth proportional to 3,136,640.78, 4,705,241.84 and 1,217,506.97 is: 1,826,369.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,136,640.78 : 4,705,241.84 = 1,217,506.97 : x
  2. Step 2: Convert to fraction form
    3,136,640.78/4,705,241.84 = 1,217,506.97/x
  3. Step 3: Cross multiply
    3,136,640.78x = 4,705,241.84 × 1,217,506.97
  4. Step 4: Simplify right side
    3,136,640.78x = 5,728,664,729,648.09
  5. Step 5: Solve for x
    x = 5,728,664,729,648.09/3,136,640.78
  6. Step 6: Final answer
    x = 1,826,369.40

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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.