Finding the Fourth Proportional to 2,691,296.21, 3,714,078.42 and 1,467,668.70
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Solution
The fourth proportional to 2,691,296.21, 3,714,078.42 and 1,467,668.70 is: 2,025,431.69
Step by Step Solution
- Step 1: Write the proportion equation
2,691,296.21 : 3,714,078.42 = 1,467,668.70 : x - Step 2: Convert to fraction form
2,691,296.21/3,714,078.42 = 1,467,668.70/x - Step 3: Cross multiply
2,691,296.21x = 3,714,078.42 × 1,467,668.70 - Step 4: Simplify right side
2,691,296.21x = 5,451,036,646,379.45 - Step 5: Solve for x
x = 5,451,036,646,379.45/2,691,296.21 - Step 6: Final answer
x = 2,025,431.69
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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.