Finding the Fourth Proportional to 4,857,998.62, 7,286,497.26 and 1,619,186.38
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Solution
The fourth proportional to 4,857,998.62, 7,286,497.26 and 1,619,186.38 is: 2,428,612.70
Step by Step Solution
- Step 1: Write the proportion equation
4,857,998.62 : 7,286,497.26 = 1,619,186.38 : x - Step 2: Convert to fraction form
4,857,998.62/7,286,497.26 = 1,619,186.38/x - Step 3: Cross multiply
4,857,998.62x = 7,286,497.26 × 1,619,186.38 - Step 4: Simplify right side
4,857,998.62x = 11,798,197,121,299.32 - Step 5: Solve for x
x = 11,798,197,121,299.32/4,857,998.62 - Step 6: Final answer
x = 2,428,612.70
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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.