Finding the Fourth Proportional to 1,603,514.44, 2,212,010.98 and 991,471.56
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Solution
The fourth proportional to 1,603,514.44, 2,212,010.98 and 991,471.56 is: 1,367,712.02
Step by Step Solution
- Step 1: Write the proportion equation
1,603,514.44 : 2,212,010.98 = 991,471.56 : x - Step 2: Convert to fraction form
1,603,514.44/2,212,010.98 = 991,471.56/x - Step 3: Cross multiply
1,603,514.44x = 2,212,010.98 × 991,471.56 - Step 4: Simplify right side
1,603,514.44x = 2,193,145,977,077.73 - Step 5: Solve for x
x = 2,193,145,977,077.73/1,603,514.44 - Step 6: Final answer
x = 1,367,712.02
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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.