Finding the Fourth Proportional to 1,394,184.40, 2,093,350.20 and 1,078,997.20
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Solution
The fourth proportional to 1,394,184.40, 2,093,350.20 and 1,078,997.20 is: 1,620,100.62
Step by Step Solution
- Step 1: Write the proportion equation
1,394,184.40 : 2,093,350.20 = 1,078,997.20 : x - Step 2: Convert to fraction form
1,394,184.40/2,093,350.20 = 1,078,997.20/x - Step 3: Cross multiply
1,394,184.40x = 2,093,350.20 × 1,078,997.20 - Step 4: Simplify right side
1,394,184.40x = 2,258,719,004,419.44 - Step 5: Solve for x
x = 2,258,719,004,419.44/1,394,184.40 - Step 6: Final answer
x = 1,620,100.62
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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.