Finding the Fourth Proportional to 5,138,296.16, 7,707,619.20 and 2,441,229.44
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Solution
The fourth proportional to 5,138,296.16, 7,707,619.20 and 2,441,229.44 is: 3,661,927.28
Step by Step Solution
- Step 1: Write the proportion equation
5,138,296.16 : 7,707,619.20 = 2,441,229.44 : x - Step 2: Convert to fraction form
5,138,296.16/7,707,619.20 = 2,441,229.44/x - Step 3: Cross multiply
5,138,296.16x = 7,707,619.20 × 2,441,229.44 - Step 4: Simplify right side
5,138,296.16x = 18,816,066,903,349.25 - Step 5: Solve for x
x = 18,816,066,903,349.25/5,138,296.16 - Step 6: Final answer
x = 3,661,927.28
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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.