Finding the Fourth Proportional to 5,252,736.66, 7,251,516.46 and 3,728,485.14
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Solution
The fourth proportional to 5,252,736.66, 7,251,516.46 and 3,728,485.14 is: 5,147,254.30
Step by Step Solution
- Step 1: Write the proportion equation
5,252,736.66 : 7,251,516.46 = 3,728,485.14 : x - Step 2: Convert to fraction form
5,252,736.66/7,251,516.46 = 3,728,485.14/x - Step 3: Cross multiply
5,252,736.66x = 7,251,516.46 × 3,728,485.14 - Step 4: Simplify right side
5,252,736.66x = 27,037,171,363,575.41 - Step 5: Solve for x
x = 27,037,171,363,575.41/5,252,736.66 - Step 6: Final answer
x = 5,147,254.30
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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.