Finding the Fourth Proportional to 5,269,609.50, 7,272,065.97 and 2,855,161.50
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Solution
The fourth proportional to 5,269,609.50, 7,272,065.97 and 2,855,161.50 is: 3,940,125.50
Step by Step Solution
- Step 1: Write the proportion equation
5,269,609.50 : 7,272,065.97 = 2,855,161.50 : x - Step 2: Convert to fraction form
5,269,609.50/7,272,065.97 = 2,855,161.50/x - Step 3: Cross multiply
5,269,609.50x = 7,272,065.97 × 2,855,161.50 - Step 4: Simplify right side
5,269,609.50x = 20,762,922,783,004.15 - Step 5: Solve for x
x = 20,762,922,783,004.15/5,269,609.50 - Step 6: Final answer
x = 3,940,125.50
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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.