Finding the Fourth Proportional to 1,548,517.80, 2,135,467.52 and 1,004,455.08
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Solution
The fourth proportional to 1,548,517.80, 2,135,467.52 and 1,004,455.08 is: 1,385,183.43
Step by Step Solution
- Step 1: Write the proportion equation
1,548,517.80 : 2,135,467.52 = 1,004,455.08 : x - Step 2: Convert to fraction form
1,548,517.80/2,135,467.52 = 1,004,455.08/x - Step 3: Cross multiply
1,548,517.80x = 2,135,467.52 × 1,004,455.08 - Step 4: Simplify right side
1,548,517.80x = 2,144,981,198,639.00 - Step 5: Solve for x
x = 2,144,981,198,639.00/1,548,517.80 - Step 6: Final answer
x = 1,385,183.43
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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.