Finding the Fourth Proportional to 5,252,754.52, 7,248,912.16 and 2,960,914.60
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Solution
The fourth proportional to 5,252,754.52, 7,248,912.16 and 2,960,914.60 is: 4,086,124.67
Step by Step Solution
- Step 1: Write the proportion equation
5,252,754.52 : 7,248,912.16 = 2,960,914.60 : x - Step 2: Convert to fraction form
5,252,754.52/7,248,912.16 = 2,960,914.60/x - Step 3: Cross multiply
5,252,754.52x = 7,248,912.16 × 2,960,914.60 - Step 4: Simplify right side
5,252,754.52x = 21,463,409,848,661.54 - Step 5: Solve for x
x = 21,463,409,848,661.54/5,252,754.52 - Step 6: Final answer
x = 4,086,124.67
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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.