Finding the Fourth Proportional to 3,859,166.99, 5,324,797.64 and 2,227,227.59
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Solution
The fourth proportional to 3,859,166.99, 5,324,797.64 and 2,227,227.59 is: 3,073,081.90
Step by Step Solution
- Step 1: Write the proportion equation
3,859,166.99 : 5,324,797.64 = 2,227,227.59 : x - Step 2: Convert to fraction form
3,859,166.99/5,324,797.64 = 2,227,227.59/x - Step 3: Cross multiply
3,859,166.99x = 5,324,797.64 × 2,227,227.59 - Step 4: Simplify right side
3,859,166.99x = 11,859,536,214,974.89 - Step 5: Solve for x
x = 11,859,536,214,974.89/3,859,166.99 - Step 6: Final answer
x = 3,073,081.90
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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.