Finding the Fourth Proportional to 3,540,761.19, 5,302,173.20 and 2,195,550.99
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Solution
The fourth proportional to 3,540,761.19, 5,302,173.20 and 2,195,550.99 is: 3,287,765.25
Step by Step Solution
- Step 1: Write the proportion equation
3,540,761.19 : 5,302,173.20 = 2,195,550.99 : x - Step 2: Convert to fraction form
3,540,761.19/5,302,173.20 = 2,195,550.99/x - Step 3: Cross multiply
3,540,761.19x = 5,302,173.20 × 2,195,550.99 - Step 4: Simplify right side
3,540,761.19x = 11,641,191,607,433.71 - Step 5: Solve for x
x = 11,641,191,607,433.71/3,540,761.19 - Step 6: Final answer
x = 3,287,765.25
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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.