Finding the Fourth Proportional to 5,728,689.75, 7,903,354.37 and 3,279,992.12
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Solution
The fourth proportional to 5,728,689.75, 7,903,354.37 and 3,279,992.12 is: 4,525,108.03
Step by Step Solution
- Step 1: Write the proportion equation
5,728,689.75 : 7,903,354.37 = 3,279,992.12 : x - Step 2: Convert to fraction form
5,728,689.75/7,903,354.37 = 3,279,992.12/x - Step 3: Cross multiply
5,728,689.75x = 7,903,354.37 × 3,279,992.12 - Step 4: Simplify right side
5,728,689.75x = 25,922,940,015,650.79 - Step 5: Solve for x
x = 25,922,940,015,650.79/5,728,689.75 - Step 6: Final answer
x = 4,525,108.03
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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.