Finding the Fourth Proportional to 5,777,305.36, 7,972,583.96 and 3,198,930.77
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Solution
The fourth proportional to 5,777,305.36, 7,972,583.96 and 3,198,930.77 is: 4,414,470.52
Step by Step Solution
- Step 1: Write the proportion equation
5,777,305.36 : 7,972,583.96 = 3,198,930.77 : x - Step 2: Convert to fraction form
5,777,305.36/7,972,583.96 = 3,198,930.77/x - Step 3: Cross multiply
5,777,305.36x = 7,972,583.96 × 3,198,930.77 - Step 4: Simplify right side
5,777,305.36x = 25,503,744,173,981.24 - Step 5: Solve for x
x = 25,503,744,173,981.24/5,777,305.36 - Step 6: Final answer
x = 4,414,470.52
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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.