Finding the Fourth Proportional to 4,365,776.24, 5,981,142.50 and 4,202,143.82
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Solution
The fourth proportional to 4,365,776.24, 5,981,142.50 and 4,202,143.82 is: 5,756,964.99
Step by Step Solution
- Step 1: Write the proportion equation
4,365,776.24 : 5,981,142.50 = 4,202,143.82 : x - Step 2: Convert to fraction form
4,365,776.24/5,981,142.50 = 4,202,143.82/x - Step 3: Cross multiply
4,365,776.24x = 5,981,142.50 × 4,202,143.82 - Step 4: Simplify right side
4,365,776.24x = 25,133,620,941,997.92 - Step 5: Solve for x
x = 25,133,620,941,997.92/4,365,776.24 - Step 6: Final answer
x = 5,756,964.99
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.