Finding the Fourth Proportional to 3,631,240.28, 5,431,689.66 and 2,551,676.60
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Solution
The fourth proportional to 3,631,240.28, 5,431,689.66 and 2,551,676.60 is: 3,816,854.39
Step by Step Solution
- Step 1: Write the proportion equation
3,631,240.28 : 5,431,689.66 = 2,551,676.60 : x - Step 2: Convert to fraction form
3,631,240.28/5,431,689.66 = 2,551,676.60/x - Step 3: Cross multiply
3,631,240.28x = 5,431,689.66 × 2,551,676.60 - Step 4: Simplify right side
3,631,240.28x = 13,859,915,403,883.96 - Step 5: Solve for x
x = 13,859,915,403,883.96/3,631,240.28 - Step 6: Final answer
x = 3,816,854.39
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.