Finding the Fourth Proportional to 4,379,607.35, 6,043,838.20 and 2,419,485.97
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Solution
The fourth proportional to 4,379,607.35, 6,043,838.20 and 2,419,485.97 is: 3,338,879.62
Step by Step Solution
- Step 1: Write the proportion equation
4,379,607.35 : 6,043,838.20 = 2,419,485.97 : x - Step 2: Convert to fraction form
4,379,607.35/6,043,838.20 = 2,419,485.97/x - Step 3: Cross multiply
4,379,607.35x = 6,043,838.20 × 2,419,485.97 - Step 4: Simplify right side
4,379,607.35x = 14,622,981,729,850.06 - Step 5: Solve for x
x = 14,622,981,729,850.06/4,379,607.35 - Step 6: Final answer
x = 3,338,879.62
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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.