Finding the Fourth Proportional to 5,764,137.21, 7,954,921.29 and 3,185,762.62
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Solution
The fourth proportional to 5,764,137.21, 7,954,921.29 and 3,185,762.62 is: 4,396,580.09
Step by Step Solution
- Step 1: Write the proportion equation
5,764,137.21 : 7,954,921.29 = 3,185,762.62 : x - Step 2: Convert to fraction form
5,764,137.21/7,954,921.29 = 3,185,762.62/x - Step 3: Cross multiply
5,764,137.21x = 7,954,921.29 × 3,185,762.62 - Step 4: Simplify right side
5,764,137.21x = 25,342,490,890,724.18 - Step 5: Solve for x
x = 25,342,490,890,724.18/5,764,137.21 - Step 6: Final answer
x = 4,396,580.09
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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.