Finding the Fourth Proportional to 5,110,560.26, 7,669,249.42 and 2,650,843.07
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Solution
The fourth proportional to 5,110,560.26, 7,669,249.42 and 2,650,843.07 is: 3,978,032.87
Step by Step Solution
- Step 1: Write the proportion equation
5,110,560.26 : 7,669,249.42 = 2,650,843.07 : x - Step 2: Convert to fraction form
5,110,560.26/7,669,249.42 = 2,650,843.07/x - Step 3: Cross multiply
5,110,560.26x = 7,669,249.42 × 2,650,843.07 - Step 4: Simplify right side
5,110,560.26x = 20,329,976,677,108.52 - Step 5: Solve for x
x = 20,329,976,677,108.52/5,110,560.26 - Step 6: Final answer
x = 3,978,032.87
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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.