Finding the Fourth Proportional to 5,694,942.12, 8,539,755.54 and 3,299,472.12
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Solution
The fourth proportional to 5,694,942.12, 8,539,755.54 and 3,299,472.12 is: 4,947,668.43
Step by Step Solution
- Step 1: Write the proportion equation
5,694,942.12 : 8,539,755.54 = 3,299,472.12 : x - Step 2: Convert to fraction form
5,694,942.12/8,539,755.54 = 3,299,472.12/x - Step 3: Cross multiply
5,694,942.12x = 8,539,755.54 × 3,299,472.12 - Step 4: Simplify right side
5,694,942.12x = 28,176,685,315,845.54 - Step 5: Solve for x
x = 28,176,685,315,845.54/5,694,942.12 - Step 6: Final answer
x = 4,947,668.43
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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.