Finding the Fourth Proportional to 1,923,175.62, 2,884,915.17 and 643,790.70
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Solution
The fourth proportional to 1,923,175.62, 2,884,915.17 and 643,790.70 is: 965,736.85
Step by Step Solution
- Step 1: Write the proportion equation
1,923,175.62 : 2,884,915.17 = 643,790.70 : x - Step 2: Convert to fraction form
1,923,175.62/2,884,915.17 = 643,790.70/x - Step 3: Cross multiply
1,923,175.62x = 2,884,915.17 × 643,790.70 - Step 4: Simplify right side
1,923,175.62x = 1,857,281,556,734.92 - Step 5: Solve for x
x = 1,857,281,556,734.92/1,923,175.62 - Step 6: Final answer
x = 965,736.85
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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.