Finding the Fourth Proportional to 1,761,629.28, 2,431,219.04 and 987,391.62
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Solution
The fourth proportional to 1,761,629.28, 2,431,219.04 and 987,391.62 is: 1,362,696.08
Step by Step Solution
- Step 1: Write the proportion equation
1,761,629.28 : 2,431,219.04 = 987,391.62 : x - Step 2: Convert to fraction form
1,761,629.28/2,431,219.04 = 987,391.62/x - Step 3: Cross multiply
1,761,629.28x = 2,431,219.04 × 987,391.62 - Step 4: Simplify right side
1,761,629.28x = 2,400,565,306,480.44 - Step 5: Solve for x
x = 2,400,565,306,480.44/1,761,629.28 - Step 6: Final answer
x = 1,362,696.08
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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.