Finding the Fourth Proportional to 5,764,137.84, 7,954,921.98 and 3,185,763.12
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Solution
The fourth proportional to 5,764,137.84, 7,954,921.98 and 3,185,763.12 is: 4,396,580.68
Step by Step Solution
- Step 1: Write the proportion equation
5,764,137.84 : 7,954,921.98 = 3,185,763.12 : x - Step 2: Convert to fraction form
5,764,137.84/7,954,921.98 = 3,185,763.12/x - Step 3: Cross multiply
5,764,137.84x = 7,954,921.98 × 3,185,763.12 - Step 4: Simplify right side
5,764,137.84x = 25,342,497,066,361.38 - Step 5: Solve for x
x = 25,342,497,066,361.38/5,764,137.84 - Step 6: Final answer
x = 4,396,580.68
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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.