Finding the Fourth Proportional to 1,543,091.52, 2,129,554.08 and 864,022.08
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Solution
The fourth proportional to 1,543,091.52, 2,129,554.08 and 864,022.08 is: 1,192,399.62
Step by Step Solution
- Step 1: Write the proportion equation
1,543,091.52 : 2,129,554.08 = 864,022.08 : x - Step 2: Convert to fraction form
1,543,091.52/2,129,554.08 = 864,022.08/x - Step 3: Cross multiply
1,543,091.52x = 2,129,554.08 × 864,022.08 - Step 4: Simplify right side
1,543,091.52x = 1,839,981,745,674.09 - Step 5: Solve for x
x = 1,839,981,745,674.09/1,543,091.52 - Step 6: Final answer
x = 1,192,399.62
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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.