Finding the Fourth Proportional to 3,821,481.18, 5,273,770.14 and 2,190,201.30
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Solution
The fourth proportional to 3,821,481.18, 5,273,770.14 and 2,190,201.30 is: 3,022,550.07
Step by Step Solution
- Step 1: Write the proportion equation
3,821,481.18 : 5,273,770.14 = 2,190,201.30 : x - Step 2: Convert to fraction form
3,821,481.18/5,273,770.14 = 2,190,201.30/x - Step 3: Cross multiply
3,821,481.18x = 5,273,770.14 × 2,190,201.30 - Step 4: Simplify right side
3,821,481.18x = 11,550,618,216,529.18 - Step 5: Solve for x
x = 11,550,618,216,529.18/3,821,481.18 - Step 6: Final answer
x = 3,022,550.07
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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.