Finding the Fourth Proportional to 5,486,052.70, 8,229,079.05 and 1,940,196.70
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Solution
The fourth proportional to 5,486,052.70, 8,229,079.05 and 1,940,196.70 is: 2,910,295.05
Step by Step Solution
- Step 1: Write the proportion equation
5,486,052.70 : 8,229,079.05 = 1,940,196.70 : x - Step 2: Convert to fraction form
5,486,052.70/8,229,079.05 = 1,940,196.70/x - Step 3: Cross multiply
5,486,052.70x = 8,229,079.05 × 1,940,196.70 - Step 4: Simplify right side
5,486,052.70x = 15,966,032,016,849.13 - Step 5: Solve for x
x = 15,966,032,016,849.13/5,486,052.70 - Step 6: Final answer
x = 2,910,295.05
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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.