Finding the Fourth Proportional to 5,760,249.60, 7,948,990.44 and 3,181,874.88
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Solution
The fourth proportional to 5,760,249.60, 7,948,990.44 and 3,181,874.88 is: 4,390,902.26
Step by Step Solution
- Step 1: Write the proportion equation
5,760,249.60 : 7,948,990.44 = 3,181,874.88 : x - Step 2: Convert to fraction form
5,760,249.60/7,948,990.44 = 3,181,874.88/x - Step 3: Cross multiply
5,760,249.60x = 7,948,990.44 × 3,181,874.88 - Step 4: Simplify right side
5,760,249.60x = 25,292,693,002,396.15 - Step 5: Solve for x
x = 25,292,693,002,396.15/5,760,249.60 - Step 6: Final answer
x = 4,390,902.26
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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.