Finding the Fourth Proportional to 3,830,609.43, 5,286,299.63 and 2,088,279.99
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Solution
The fourth proportional to 3,830,609.43, 5,286,299.63 and 2,088,279.99 is: 2,881,858.34
Step by Step Solution
- Step 1: Write the proportion equation
3,830,609.43 : 5,286,299.63 = 2,088,279.99 : x - Step 2: Convert to fraction form
3,830,609.43/5,286,299.63 = 2,088,279.99/x - Step 3: Cross multiply
3,830,609.43x = 5,286,299.63 × 2,088,279.99 - Step 4: Simplify right side
3,830,609.43x = 11,039,273,738,473.40 - Step 5: Solve for x
x = 11,039,273,738,473.40/3,830,609.43 - Step 6: Final answer
x = 2,881,858.34
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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.