Finding the Fourth Proportional to 3,934,945.58, 5,430,081.52 and 2,192,524.92
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Solution
The fourth proportional to 3,934,945.58, 5,430,081.52 and 2,192,524.92 is: 3,025,604.50
Step by Step Solution
- Step 1: Write the proportion equation
3,934,945.58 : 5,430,081.52 = 2,192,524.92 : x - Step 2: Convert to fraction form
3,934,945.58/5,430,081.52 = 2,192,524.92/x - Step 3: Cross multiply
3,934,945.58x = 5,430,081.52 × 2,192,524.92 - Step 4: Simplify right side
3,934,945.58x = 11,905,589,052,972.13 - Step 5: Solve for x
x = 11,905,589,052,972.13/3,934,945.58 - Step 6: Final answer
x = 3,025,604.50
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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.