Finding the Fourth Proportional to 3,740,583.76, 5,161,902.36 and 2,108,976.88
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Solution
The fourth proportional to 3,740,583.76, 5,161,902.36 and 2,108,976.88 is: 2,910,329.89
Step by Step Solution
- Step 1: Write the proportion equation
3,740,583.76 : 5,161,902.36 = 2,108,976.88 : x - Step 2: Convert to fraction form
3,740,583.76/5,161,902.36 = 2,108,976.88/x - Step 3: Cross multiply
3,740,583.76x = 5,161,902.36 × 2,108,976.88 - Step 4: Simplify right side
3,740,583.76x = 10,886,332,734,057.44 - Step 5: Solve for x
x = 10,886,332,734,057.44/3,740,583.76 - Step 6: Final answer
x = 2,910,329.89
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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.