Finding the Fourth Proportional to 3,971,427.93, 5,956,380 and 1,542,578.49
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Solution
The fourth proportional to 3,971,427.93, 5,956,380 and 1,542,578.49 is: 2,313,571.80
Step by Step Solution
- Step 1: Write the proportion equation
3,971,427.93 : 5,956,380 = 1,542,578.49 : x - Step 2: Convert to fraction form
3,971,427.93/5,956,380 = 1,542,578.49/x - Step 3: Cross multiply
3,971,427.93x = 5,956,380 × 1,542,578.49 - Step 4: Simplify right side
3,971,427.93x = 9,188,183,666,266.20 - Step 5: Solve for x
x = 9,188,183,666,266.20/3,971,427.93 - Step 6: Final answer
x = 2,313,571.80
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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.