Finding the Fourth Proportional to 5,244,892.75, 7,867,784.73 and 1,458,375.63
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Solution
The fourth proportional to 5,244,892.75, 7,867,784.73 and 1,458,375.63 is: 2,187,687.34
Step by Step Solution
- Step 1: Write the proportion equation
5,244,892.75 : 7,867,784.73 = 1,458,375.63 : x - Step 2: Convert to fraction form
5,244,892.75/7,867,784.73 = 1,458,375.63/x - Step 3: Cross multiply
5,244,892.75x = 7,867,784.73 × 1,458,375.63 - Step 4: Simplify right side
5,244,892.75x = 11,474,185,465,687.33 - Step 5: Solve for x
x = 11,474,185,465,687.33/5,244,892.75 - Step 6: Final answer
x = 2,187,687.34
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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.