Finding the Fourth Proportional to 3,245,463.76, 4,474,668.36 and 2,081,858.44
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Solution
The fourth proportional to 3,245,463.76, 4,474,668.36 and 2,081,858.44 is: 2,870,352.83
Step by Step Solution
- Step 1: Write the proportion equation
3,245,463.76 : 4,474,668.36 = 2,081,858.44 : x - Step 2: Convert to fraction form
3,245,463.76/4,474,668.36 = 2,081,858.44/x - Step 3: Cross multiply
3,245,463.76x = 4,474,668.36 × 2,081,858.44 - Step 4: Simplify right side
3,245,463.76x = 9,315,626,091,466.96 - Step 5: Solve for x
x = 9,315,626,091,466.96/3,245,463.76 - Step 6: Final answer
x = 2,870,352.83
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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.