Finding the Fourth Proportional to 2,957,821.28, 4,081,793.34 and 1,599,694.28
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Solution
The fourth proportional to 2,957,821.28, 4,081,793.34 and 1,599,694.28 is: 2,207,578.09
Step by Step Solution
- Step 1: Write the proportion equation
2,957,821.28 : 4,081,793.34 = 1,599,694.28 : x - Step 2: Convert to fraction form
2,957,821.28/4,081,793.34 = 1,599,694.28/x - Step 3: Cross multiply
2,957,821.28x = 4,081,793.34 × 1,599,694.28 - Step 4: Simplify right side
2,957,821.28x = 6,529,621,458,140.10 - Step 5: Solve for x
x = 6,529,621,458,140.10/2,957,821.28 - Step 6: Final answer
x = 2,207,578.09
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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.