Finding the Fourth Proportional to 2,888,162.62, 3,985,771.79 and 1,647,974.87
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Solution
The fourth proportional to 2,888,162.62, 3,985,771.79 and 1,647,974.87 is: 2,274,266.59
Step by Step Solution
- Step 1: Write the proportion equation
2,888,162.62 : 3,985,771.79 = 1,647,974.87 : x - Step 2: Convert to fraction form
2,888,162.62/3,985,771.79 = 1,647,974.87/x - Step 3: Cross multiply
2,888,162.62x = 3,985,771.79 × 1,647,974.87 - Step 4: Simplify right side
2,888,162.62x = 6,568,451,737,342.78 - Step 5: Solve for x
x = 6,568,451,737,342.78/2,888,162.62 - Step 6: Final answer
x = 2,274,266.59
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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.