Finding the Fourth Proportional to 6,079,349.77, 8,388,129.15 and 3,631,481.78
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Solution
The fourth proportional to 6,079,349.77, 8,388,129.15 and 3,631,481.78 is: 5,010,624.38
Step by Step Solution
- Step 1: Write the proportion equation
6,079,349.77 : 8,388,129.15 = 3,631,481.78 : x - Step 2: Convert to fraction form
6,079,349.77/8,388,129.15 = 3,631,481.78/x - Step 3: Cross multiply
6,079,349.77x = 8,388,129.15 × 3,631,481.78 - Step 4: Simplify right side
6,079,349.77x = 30,461,338,134,571.24 - Step 5: Solve for x
x = 30,461,338,134,571.24/6,079,349.77 - Step 6: Final answer
x = 5,010,624.38
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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.