Finding the Fourth Proportional to 2,081,611.46, 2,872,586.37 and 1,176,174.02
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Solution
The fourth proportional to 2,081,611.46, 2,872,586.37 and 1,176,174.02 is: 1,623,098.99
Step by Step Solution
- Step 1: Write the proportion equation
2,081,611.46 : 2,872,586.37 = 1,176,174.02 : x - Step 2: Convert to fraction form
2,081,611.46/2,872,586.37 = 1,176,174.02/x - Step 3: Cross multiply
2,081,611.46x = 2,872,586.37 × 1,176,174.02 - Step 4: Simplify right side
2,081,611.46x = 3,378,661,458,600.11 - Step 5: Solve for x
x = 3,378,661,458,600.11/2,081,611.46 - Step 6: Final answer
x = 1,623,098.99
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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.