Finding the Fourth Proportional to 6,231,349.62, 9,339,161.91 and 3,158,112.62
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Solution
The fourth proportional to 6,231,349.62, 9,339,161.91 and 3,158,112.62 is: 4,733,184.12
Step by Step Solution
- Step 1: Write the proportion equation
6,231,349.62 : 9,339,161.91 = 3,158,112.62 : x - Step 2: Convert to fraction form
6,231,349.62/9,339,161.91 = 3,158,112.62/x - Step 3: Cross multiply
6,231,349.62x = 9,339,161.91 × 3,158,112.62 - Step 4: Simplify right side
6,231,349.62x = 29,494,125,088,194.30 - Step 5: Solve for x
x = 29,494,125,088,194.30/6,231,349.62 - Step 6: Final answer
x = 4,733,184.12
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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.