Finding the Fourth Proportional to 7,790,463.96, 10,751,396.88 and 4,305,727.78
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Solution
The fourth proportional to 7,790,463.96, 10,751,396.88 and 4,305,727.78 is: 5,942,211.96
Step by Step Solution
- Step 1: Write the proportion equation
7,790,463.96 : 10,751,396.88 = 4,305,727.78 : x - Step 2: Convert to fraction form
7,790,463.96/10,751,396.88 = 4,305,727.78/x - Step 3: Cross multiply
7,790,463.96x = 10,751,396.88 × 4,305,727.78 - Step 4: Simplify right side
7,790,463.96x = 46,292,588,144,735.71 - Step 5: Solve for x
x = 46,292,588,144,735.71/7,790,463.96 - Step 6: Final answer
x = 5,942,211.96
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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.