Finding the Fourth Proportional to 5,764,136.21, 7,954,919.91 and 3,185,761.62
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Solution
The fourth proportional to 5,764,136.21, 7,954,919.91 and 3,185,761.62 is: 4,396,578.71
Step by Step Solution
- Step 1: Write the proportion equation
5,764,136.21 : 7,954,919.91 = 3,185,761.62 : x - Step 2: Convert to fraction form
5,764,136.21/7,954,919.91 = 3,185,761.62/x - Step 3: Cross multiply
5,764,136.21x = 7,954,919.91 × 3,185,761.62 - Step 4: Simplify right side
5,764,136.21x = 25,342,478,539,451.86 - Step 5: Solve for x
x = 25,342,478,539,451.86/5,764,136.21 - Step 6: Final answer
x = 4,396,578.71
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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.