Finding the Fourth Proportional to 3,511,961.37, 4,847,287.99 and 2,135,013.19
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Solution
The fourth proportional to 3,511,961.37, 4,847,287.99 and 2,135,013.19 is: 2,946,793.17
Step by Step Solution
- Step 1: Write the proportion equation
3,511,961.37 : 4,847,287.99 = 2,135,013.19 : x - Step 2: Convert to fraction form
3,511,961.37/4,847,287.99 = 2,135,013.19/x - Step 3: Cross multiply
3,511,961.37x = 4,847,287.99 × 2,135,013.19 - Step 4: Simplify right side
3,511,961.37x = 10,349,023,774,921.26 - Step 5: Solve for x
x = 10,349,023,774,921.26/3,511,961.37 - Step 6: Final answer
x = 2,946,793.17
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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.