Finding the Fourth Proportional to 3,934,945.44, 5,430,081.35 and 2,192,524.80
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Solution
The fourth proportional to 3,934,945.44, 5,430,081.35 and 2,192,524.80 is: 3,025,604.35
Step by Step Solution
- Step 1: Write the proportion equation
3,934,945.44 : 5,430,081.35 = 2,192,524.80 : x - Step 2: Convert to fraction form
3,934,945.44/5,430,081.35 = 2,192,524.80/x - Step 3: Cross multiply
3,934,945.44x = 5,430,081.35 × 2,192,524.80 - Step 4: Simplify right side
3,934,945.44x = 11,905,588,025,892.48 - Step 5: Solve for x
x = 11,905,588,025,892.48/3,934,945.44 - Step 6: Final answer
x = 3,025,604.35
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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.