Finding the Fourth Proportional to 1,538,613.63, 2,305,857.41 and 1,197,468.97
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Solution
The fourth proportional to 1,538,613.63, 2,305,857.41 and 1,197,468.97 is: 1,794,597.84
Step by Step Solution
- Step 1: Write the proportion equation
1,538,613.63 : 2,305,857.41 = 1,197,468.97 : x - Step 2: Convert to fraction form
1,538,613.63/2,305,857.41 = 1,197,468.97/x - Step 3: Cross multiply
1,538,613.63x = 2,305,857.41 × 1,197,468.97 - Step 4: Simplify right side
1,538,613.63x = 2,761,192,690,458.09 - Step 5: Solve for x
x = 2,761,192,690,458.09/1,538,613.63 - Step 6: Final answer
x = 1,794,597.84
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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.