Finding the Fourth Proportional to 7,790,464.46, 10,751,397.57 and 4,305,728.28
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Solution
The fourth proportional to 7,790,464.46, 10,751,397.57 and 4,305,728.28 is: 5,942,212.66
Step by Step Solution
- Step 1: Write the proportion equation
7,790,464.46 : 10,751,397.57 = 4,305,728.28 : x - Step 2: Convert to fraction form
7,790,464.46/10,751,397.57 = 4,305,728.28/x - Step 3: Cross multiply
7,790,464.46x = 10,751,397.57 × 4,305,728.28 - Step 4: Simplify right side
7,790,464.46x = 46,292,596,566,672.28 - Step 5: Solve for x
x = 46,292,596,566,672.28/7,790,464.46 - Step 6: Final answer
x = 5,942,212.66
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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.