Finding the Fourth Proportional to 5,524,689.63, 7,624,243.79 and 3,170,318.52
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Solution
The fourth proportional to 5,524,689.63, 7,624,243.79 and 3,170,318.52 is: 4,375,138.32
Step by Step Solution
- Step 1: Write the proportion equation
5,524,689.63 : 7,624,243.79 = 3,170,318.52 : x - Step 2: Convert to fraction form
5,524,689.63/7,624,243.79 = 3,170,318.52/x - Step 3: Cross multiply
5,524,689.63x = 7,624,243.79 × 3,170,318.52 - Step 4: Simplify right side
5,524,689.63x = 24,171,281,296,357.79 - Step 5: Solve for x
x = 24,171,281,296,357.79/5,524,689.63 - Step 6: Final answer
x = 4,375,138.32
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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.