Finding the Fourth Proportional to 3,949,087.26, 5,922,457.20 and 1,674,578.10
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Solution
The fourth proportional to 3,949,087.26, 5,922,457.20 and 1,674,578.10 is: 2,511,369.46
Step by Step Solution
- Step 1: Write the proportion equation
3,949,087.26 : 5,922,457.20 = 1,674,578.10 : x - Step 2: Convert to fraction form
3,949,087.26/5,922,457.20 = 1,674,578.10/x - Step 3: Cross multiply
3,949,087.26x = 5,922,457.20 × 1,674,578.10 - Step 4: Simplify right side
3,949,087.26x = 9,917,617,125,307.32 - Step 5: Solve for x
x = 9,917,617,125,307.32/3,949,087.26 - Step 6: Final answer
x = 2,511,369.46
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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.