Finding the Fourth Proportional to 5,465,811.10, 8,198,716.65 and 3,674,220.70
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Solution
The fourth proportional to 5,465,811.10, 8,198,716.65 and 3,674,220.70 is: 5,511,331.05
Step by Step Solution
- Step 1: Write the proportion equation
5,465,811.10 : 8,198,716.65 = 3,674,220.70 : x - Step 2: Convert to fraction form
5,465,811.10/8,198,716.65 = 3,674,220.70/x - Step 3: Cross multiply
5,465,811.10x = 8,198,716.65 × 3,674,220.70 - Step 4: Simplify right side
5,465,811.10x = 30,123,894,428,864.66 - Step 5: Solve for x
x = 30,123,894,428,864.66/5,465,811.10 - Step 6: Final answer
x = 5,511,331.05
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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.