Finding the Fourth Proportional to 3,829,131.36, 5,284,201.20 and 2,110,251.84
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Solution
The fourth proportional to 3,829,131.36, 5,284,201.20 and 2,110,251.84 is: 2,912,147.50
Step by Step Solution
- Step 1: Write the proportion equation
3,829,131.36 : 5,284,201.20 = 2,110,251.84 : x - Step 2: Convert to fraction form
3,829,131.36/5,284,201.20 = 2,110,251.84/x - Step 3: Cross multiply
3,829,131.36x = 5,284,201.20 × 2,110,251.84 - Step 4: Simplify right side
3,829,131.36x = 11,150,995,305,230.21 - Step 5: Solve for x
x = 11,150,995,305,230.21/3,829,131.36 - Step 6: Final answer
x = 2,912,147.50
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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.