Finding the Fourth Proportional to 3,823,620.20, 5,738,540.70 and 3,699,204.20
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Solution
The fourth proportional to 3,823,620.20, 5,738,540.70 and 3,699,204.20 is: 5,551,815.49
Step by Step Solution
- Step 1: Write the proportion equation
3,823,620.20 : 5,738,540.70 = 3,699,204.20 : x - Step 2: Convert to fraction form
3,823,620.20/5,738,540.70 = 3,699,204.20/x - Step 3: Cross multiply
3,823,620.20x = 5,738,540.70 × 3,699,204.20 - Step 4: Simplify right side
3,823,620.20x = 21,228,033,859,310.94 - Step 5: Solve for x
x = 21,228,033,859,310.94/3,823,620.20 - Step 6: Final answer
x = 5,551,815.49
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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.