Finding the Fourth Proportional to 3,946,907.88, 5,446,755.36 and 2,204,650.68
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Solution
The fourth proportional to 3,946,907.88, 5,446,755.36 and 2,204,650.68 is: 3,042,430.50
Step by Step Solution
- Step 1: Write the proportion equation
3,946,907.88 : 5,446,755.36 = 2,204,650.68 : x - Step 2: Convert to fraction form
3,946,907.88/5,446,755.36 = 2,204,650.68/x - Step 3: Cross multiply
3,946,907.88x = 5,446,755.36 × 2,204,650.68 - Step 4: Simplify right side
3,946,907.88x = 12,008,192,908,217.65 - Step 5: Solve for x
x = 12,008,192,908,217.65/3,946,907.88 - Step 6: Final answer
x = 3,042,430.50
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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.