Finding the Fourth Proportional to 3,982,369.08, 5,973,575.22 and 990,553.08
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Solution
The fourth proportional to 3,982,369.08, 5,973,575.22 and 990,553.08 is: 1,485,834.99
Step by Step Solution
- Step 1: Write the proportion equation
3,982,369.08 : 5,973,575.22 = 990,553.08 : x - Step 2: Convert to fraction form
3,982,369.08/5,973,575.22 = 990,553.08/x - Step 3: Cross multiply
3,982,369.08x = 5,973,575.22 × 990,553.08 - Step 4: Simplify right side
3,982,369.08x = 5,917,143,332,782.68 - Step 5: Solve for x
x = 5,917,143,332,782.68/3,982,369.08 - Step 6: Final answer
x = 1,485,834.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.