Finding the Fourth Proportional to 3,987,469.44, 5,981,203.62 and 2,201,707.44
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Solution
The fourth proportional to 3,987,469.44, 5,981,203.62 and 2,201,707.44 is: 3,302,560.86
Step by Step Solution
- Step 1: Write the proportion equation
3,987,469.44 : 5,981,203.62 = 2,201,707.44 : x - Step 2: Convert to fraction form
3,987,469.44/5,981,203.62 = 2,201,707.44/x - Step 3: Cross multiply
3,987,469.44x = 5,981,203.62 × 2,201,707.44 - Step 4: Simplify right side
3,987,469.44x = 13,168,860,510,308.93 - Step 5: Solve for x
x = 13,168,860,510,308.93/3,987,469.44 - Step 6: Final answer
x = 3,302,560.86
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.