Finding the Fourth Proportional to 1,448,034.92, 1,991,202.10 and 1,256,716.16
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Solution
The fourth proportional to 1,448,034.92, 1,991,202.10 and 1,256,716.16 is: 1,728,118.45
Step by Step Solution
- Step 1: Write the proportion equation
1,448,034.92 : 1,991,202.10 = 1,256,716.16 : x - Step 2: Convert to fraction form
1,448,034.92/1,991,202.10 = 1,256,716.16/x - Step 3: Cross multiply
1,448,034.92x = 1,991,202.10 × 1,256,716.16 - Step 4: Simplify right side
1,448,034.92x = 2,502,375,856,895.94 - Step 5: Solve for x
x = 2,502,375,856,895.94/1,448,034.92 - Step 6: Final answer
x = 1,728,118.45
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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.