Finding the Fourth Proportional to 3,177,161.04, 4,384,511.52 and 1,726,859.76
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Solution
The fourth proportional to 3,177,161.04, 4,384,511.52 and 1,726,859.76 is: 2,383,082.39
Step by Step Solution
- Step 1: Write the proportion equation
3,177,161.04 : 4,384,511.52 = 1,726,859.76 : x - Step 2: Convert to fraction form
3,177,161.04/4,384,511.52 = 1,726,859.76/x - Step 3: Cross multiply
3,177,161.04x = 4,384,511.52 × 1,726,859.76 - Step 4: Simplify right side
3,177,161.04x = 7,571,436,511,144.44 - Step 5: Solve for x
x = 7,571,436,511,144.44/3,177,161.04 - Step 6: Final answer
x = 2,383,082.39
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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.