Finding the Fourth Proportional to 1,603,805.60, 2,213,253.60 and 868,761.36
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Solution
The fourth proportional to 1,603,805.60, 2,213,253.60 and 868,761.36 is: 1,198,891.69
Step by Step Solution
- Step 1: Write the proportion equation
1,603,805.60 : 2,213,253.60 = 868,761.36 : x - Step 2: Convert to fraction form
1,603,805.60/2,213,253.60 = 868,761.36/x - Step 3: Cross multiply
1,603,805.60x = 2,213,253.60 × 868,761.36 - Step 4: Simplify right side
1,603,805.60x = 1,922,789,207,560.90 - Step 5: Solve for x
x = 1,922,789,207,560.90/1,603,805.60 - Step 6: Final answer
x = 1,198,891.69
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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.