Finding the Fourth Proportional to 1,631,614.05, 2,251,949.49 and 1,042,536.69
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Solution
The fourth proportional to 1,631,614.05, 2,251,949.49 and 1,042,536.69 is: 1,438,906.44
Step by Step Solution
- Step 1: Write the proportion equation
1,631,614.05 : 2,251,949.49 = 1,042,536.69 : x - Step 2: Convert to fraction form
1,631,614.05/2,251,949.49 = 1,042,536.69/x - Step 3: Cross multiply
1,631,614.05x = 2,251,949.49 × 1,042,536.69 - Step 4: Simplify right side
1,631,614.05x = 2,347,739,967,351.79 - Step 5: Solve for x
x = 2,347,739,967,351.79/1,631,614.05 - Step 6: Final answer
x = 1,438,906.44
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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.