Finding the Fourth Proportional to 6,616,791.05, 9,131,235.87 and 3,825,704.75
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Solution
The fourth proportional to 6,616,791.05, 9,131,235.87 and 3,825,704.75 is: 5,279,509.68
Step by Step Solution
- Step 1: Write the proportion equation
6,616,791.05 : 9,131,235.87 = 3,825,704.75 : x - Step 2: Convert to fraction form
6,616,791.05/9,131,235.87 = 3,825,704.75/x - Step 3: Cross multiply
6,616,791.05x = 9,131,235.87 × 3,825,704.75 - Step 4: Simplify right side
6,616,791.05x = 34,933,412,419,461.70 - Step 5: Solve for x
x = 34,933,412,419,461.70/6,616,791.05 - Step 6: Final answer
x = 5,279,509.68
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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.