Finding the Fourth Proportional to 3,543,218.29, 4,889,586.02 and 1,994,476.62
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Solution
The fourth proportional to 3,543,218.29, 4,889,586.02 and 1,994,476.62 is: 2,752,346.65
Step by Step Solution
- Step 1: Write the proportion equation
3,543,218.29 : 4,889,586.02 = 1,994,476.62 : x - Step 2: Convert to fraction form
3,543,218.29/4,889,586.02 = 1,994,476.62/x - Step 3: Cross multiply
3,543,218.29x = 4,889,586.02 × 1,994,476.62 - Step 4: Simplify right side
3,543,218.29x = 9,752,164,988,396.47 - Step 5: Solve for x
x = 9,752,164,988,396.47/3,543,218.29 - Step 6: Final answer
x = 2,752,346.65
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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.