Finding the Fourth Proportional to 3,770,138.56, 5,202,635.79 and 2,051,265.91
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Solution
The fourth proportional to 3,770,138.56, 5,202,635.79 and 2,051,265.91 is: 2,830,662.39
Step by Step Solution
- Step 1: Write the proportion equation
3,770,138.56 : 5,202,635.79 = 2,051,265.91 : x - Step 2: Convert to fraction form
3,770,138.56/5,202,635.79 = 2,051,265.91/x - Step 3: Cross multiply
3,770,138.56x = 5,202,635.79 × 2,051,265.91 - Step 4: Simplify right side
3,770,138.56x = 10,671,989,438,172.92 - Step 5: Solve for x
x = 10,671,989,438,172.92/3,770,138.56 - Step 6: Final answer
x = 2,830,662.39
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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.