Finding the Fourth Proportional to 2,383,286.74, 3,288,912.31 and 1,295,493.60
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Solution
The fourth proportional to 2,383,286.74, 3,288,912.31 and 1,295,493.60 is: 1,787,768.45
Step by Step Solution
- Step 1: Write the proportion equation
2,383,286.74 : 3,288,912.31 = 1,295,493.60 : x - Step 2: Convert to fraction form
2,383,286.74/3,288,912.31 = 1,295,493.60/x - Step 3: Cross multiply
2,383,286.74x = 3,288,912.31 × 1,295,493.60 - Step 4: Simplify right side
2,383,286.74x = 4,260,764,848,566.22 - Step 5: Solve for x
x = 4,260,764,848,566.22/2,383,286.74 - Step 6: Final answer
x = 1,787,768.45
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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.