Finding the Fourth Proportional to 3,248,621.26, 4,481,136.02 and 2,086,676.37
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Solution
The fourth proportional to 3,248,621.26, 4,481,136.02 and 2,086,676.37 is: 2,878,353.59
Step by Step Solution
- Step 1: Write the proportion equation
3,248,621.26 : 4,481,136.02 = 2,086,676.37 : x - Step 2: Convert to fraction form
3,248,621.26/4,481,136.02 = 2,086,676.37/x - Step 3: Cross multiply
3,248,621.26x = 4,481,136.02 × 2,086,676.37 - Step 4: Simplify right side
3,248,621.26x = 9,350,680,648,906.54 - Step 5: Solve for x
x = 9,350,680,648,906.54/3,248,621.26 - Step 6: Final answer
x = 2,878,353.59
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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.