Finding the Fourth Proportional to 2,763,049.92, 3,811,549.44 and 1,902,115.52
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Solution
The fourth proportional to 2,763,049.92, 3,811,549.44 and 1,902,115.52 is: 2,623,914.72
Step by Step Solution
- Step 1: Write the proportion equation
2,763,049.92 : 3,811,549.44 = 1,902,115.52 : x - Step 2: Convert to fraction form
2,763,049.92/3,811,549.44 = 1,902,115.52/x - Step 3: Cross multiply
2,763,049.92x = 3,811,549.44 × 1,902,115.52 - Step 4: Simplify right side
2,763,049.92x = 7,250,007,345,071.31 - Step 5: Solve for x
x = 7,250,007,345,071.31/2,763,049.92 - Step 6: Final answer
x = 2,623,914.72
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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.