Finding the Fourth Proportional to 2,081,046.75, 3,121,571.34 and 585,138.75
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Solution
The fourth proportional to 2,081,046.75, 3,121,571.34 and 585,138.75 is: 877,708.47
Step by Step Solution
- Step 1: Write the proportion equation
2,081,046.75 : 3,121,571.34 = 585,138.75 : x - Step 2: Convert to fraction form
2,081,046.75/3,121,571.34 = 585,138.75/x - Step 3: Cross multiply
2,081,046.75x = 3,121,571.34 × 585,138.75 - Step 4: Simplify right side
2,081,046.75x = 1,826,552,351,923.42 - Step 5: Solve for x
x = 1,826,552,351,923.42/2,081,046.75 - Step 6: Final answer
x = 877,708.47
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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.