Finding the Fourth Proportional to 1,603,514.26, 2,212,010.73 and 991,471.38
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Solution
The fourth proportional to 1,603,514.26, 2,212,010.73 and 991,471.38 is: 1,367,711.77
Step by Step Solution
- Step 1: Write the proportion equation
1,603,514.26 : 2,212,010.73 = 991,471.38 : x - Step 2: Convert to fraction form
1,603,514.26/2,212,010.73 = 991,471.38/x - Step 3: Cross multiply
1,603,514.26x = 2,212,010.73 × 991,471.38 - Step 4: Simplify right side
1,603,514.26x = 2,193,145,331,047.91 - Step 5: Solve for x
x = 2,193,145,331,047.91/1,603,514.26 - Step 6: Final answer
x = 1,367,711.77
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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.