Finding the Fourth Proportional to 5,534,901.66, 7,638,214.01 and 3,054,232.68
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Solution
The fourth proportional to 5,534,901.66, 7,638,214.01 and 3,054,232.68 is: 4,214,868.53
Step by Step Solution
- Step 1: Write the proportion equation
5,534,901.66 : 7,638,214.01 = 3,054,232.68 : x - Step 2: Convert to fraction form
5,534,901.66/7,638,214.01 = 3,054,232.68/x - Step 3: Cross multiply
5,534,901.66x = 7,638,214.01 × 3,054,232.68 - Step 4: Simplify right side
5,534,901.66x = 23,328,882,846,175.85 - Step 5: Solve for x
x = 23,328,882,846,175.85/5,534,901.66 - Step 6: Final answer
x = 4,214,868.53
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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.