Finding the Fourth Proportional to 3,689,049.03, 5,090,896.70 and 2,057,562.09
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Solution
The fourth proportional to 3,689,049.03, 5,090,896.70 and 2,057,562.09 is: 2,839,440.72
Step by Step Solution
- Step 1: Write the proportion equation
3,689,049.03 : 5,090,896.70 = 2,057,562.09 : x - Step 2: Convert to fraction form
3,689,049.03/5,090,896.70 = 2,057,562.09/x - Step 3: Cross multiply
3,689,049.03x = 5,090,896.70 × 2,057,562.09 - Step 4: Simplify right side
3,689,049.03x = 10,474,836,043,738.29 - Step 5: Solve for x
x = 10,474,836,043,738.29/3,689,049.03 - Step 6: Final answer
x = 2,839,440.72
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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.