Finding the Fourth Proportional to 1,603,512.26, 2,212,007.97 and 991,469.38
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Solution
The fourth proportional to 1,603,512.26, 2,212,007.97 and 991,469.38 is: 1,367,709.01
Step by Step Solution
- Step 1: Write the proportion equation
1,603,512.26 : 2,212,007.97 = 991,469.38 : x - Step 2: Convert to fraction form
1,603,512.26/2,212,007.97 = 991,469.38/x - Step 3: Cross multiply
1,603,512.26x = 2,212,007.97 × 991,469.38 - Step 4: Simplify right side
1,603,512.26x = 2,193,138,162,502.48 - Step 5: Solve for x
x = 2,193,138,162,502.48/1,603,512.26 - Step 6: Final answer
x = 1,367,709.01
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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.