Finding the Fourth Proportional to 5,988,128.40, 8,982,192.60 and 2,201,119.20
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Solution
The fourth proportional to 5,988,128.40, 8,982,192.60 and 2,201,119.20 is: 3,301,678.80
Step by Step Solution
- Step 1: Write the proportion equation
5,988,128.40 : 8,982,192.60 = 2,201,119.20 : x - Step 2: Convert to fraction form
5,988,128.40/8,982,192.60 = 2,201,119.20/x - Step 3: Cross multiply
5,988,128.40x = 8,982,192.60 × 2,201,119.20 - Step 4: Simplify right side
5,988,128.40x = 19,770,876,589,957.92 - Step 5: Solve for x
x = 19,770,876,589,957.92/5,988,128.40 - Step 6: Final answer
x = 3,301,678.80
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.