Finding the Fourth Proportional to 3,419,480.20, 5,129,220.30 and 3,369,713.80
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Solution
The fourth proportional to 3,419,480.20, 5,129,220.30 and 3,369,713.80 is: 5,054,570.70
Step by Step Solution
- Step 1: Write the proportion equation
3,419,480.20 : 5,129,220.30 = 3,369,713.80 : x - Step 2: Convert to fraction form
3,419,480.20/5,129,220.30 = 3,369,713.80/x - Step 3: Cross multiply
3,419,480.20x = 5,129,220.30 × 3,369,713.80 - Step 4: Simplify right side
3,419,480.20x = 17,284,004,428,150.14 - Step 5: Solve for x
x = 17,284,004,428,150.14/3,419,480.20 - Step 6: Final answer
x = 5,054,570.70
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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.