Finding the Fourth Proportional to 2,331,032.75, 3,497,049.30 and 1,320,638.75
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Solution
The fourth proportional to 2,331,032.75, 3,497,049.30 and 1,320,638.75 is: 1,981,241.50
Step by Step Solution
- Step 1: Write the proportion equation
2,331,032.75 : 3,497,049.30 = 1,320,638.75 : x - Step 2: Convert to fraction form
2,331,032.75/3,497,049.30 = 1,320,638.75/x - Step 3: Cross multiply
2,331,032.75x = 3,497,049.30 × 1,320,638.75 - Step 4: Simplify right side
2,331,032.75x = 4,618,338,816,240.38 - Step 5: Solve for x
x = 4,618,338,816,240.38/2,331,032.75 - Step 6: Final answer
x = 1,981,241.50
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1.5x scale
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.