Finding the Fourth Proportional to 3,867,734.97, 5,337,640.35 and 2,148,855.53
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Solution
The fourth proportional to 3,867,734.97, 5,337,640.35 and 2,148,855.53 is: 2,965,512.90
Step by Step Solution
- Step 1: Write the proportion equation
3,867,734.97 : 5,337,640.35 = 2,148,855.53 : x - Step 2: Convert to fraction form
3,867,734.97/5,337,640.35 = 2,148,855.53/x - Step 3: Cross multiply
3,867,734.97x = 5,337,640.35 × 2,148,855.53 - Step 4: Simplify right side
3,867,734.97x = 11,469,817,956,560.43 - Step 5: Solve for x
x = 11,469,817,956,560.43/3,867,734.97 - Step 6: Final answer
x = 2,965,512.90
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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.