Finding the Fourth Proportional to 2,590,863.54, 3,889,663.01 and 1,992,245.08
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Solution
The fourth proportional to 2,590,863.54, 3,889,663.01 and 1,992,245.08 is: 2,990,957.20
Step by Step Solution
- Step 1: Write the proportion equation
2,590,863.54 : 3,889,663.01 = 1,992,245.08 : x - Step 2: Convert to fraction form
2,590,863.54/3,889,663.01 = 1,992,245.08/x - Step 3: Cross multiply
2,590,863.54x = 3,889,663.01 × 1,992,245.08 - Step 4: Simplify right side
2,590,863.54x = 7,749,161,965,120.95 - Step 5: Solve for x
x = 7,749,161,965,120.95/2,590,863.54 - Step 6: Final answer
x = 2,990,957.20
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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.