Finding the Fourth Proportional to 5,202,474.32, 7,788,163.71 and 3,146,914.10
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Solution
The fourth proportional to 5,202,474.32, 7,788,163.71 and 3,146,914.10 is: 4,710,966.49
Step by Step Solution
- Step 1: Write the proportion equation
5,202,474.32 : 7,788,163.71 = 3,146,914.10 : x - Step 2: Convert to fraction form
5,202,474.32/7,788,163.71 = 3,146,914.10/x - Step 3: Cross multiply
5,202,474.32x = 7,788,163.71 × 3,146,914.10 - Step 4: Simplify right side
5,202,474.32x = 24,508,682,192,107.31 - Step 5: Solve for x
x = 24,508,682,192,107.31/5,202,474.32 - Step 6: Final answer
x = 4,710,966.49
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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.