Finding the Fourth Proportional to 4,013,349.09, 5,538,393.65 and 2,177,760.69
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Solution
The fourth proportional to 4,013,349.09, 5,538,393.65 and 2,177,760.69 is: 3,005,294.51
Step by Step Solution
- Step 1: Write the proportion equation
4,013,349.09 : 5,538,393.65 = 2,177,760.69 : x - Step 2: Convert to fraction form
4,013,349.09/5,538,393.65 = 2,177,760.69/x - Step 3: Cross multiply
4,013,349.09x = 5,538,393.65 × 2,177,760.69 - Step 4: Simplify right side
4,013,349.09x = 12,061,295,976,715.62 - Step 5: Solve for x
x = 12,061,295,976,715.62/4,013,349.09 - Step 6: Final answer
x = 3,005,294.51
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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.