Finding the Fourth Proportional to 5,764,134.71, 7,954,917.84 and 3,185,760.12
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Solution
The fourth proportional to 5,764,134.71, 7,954,917.84 and 3,185,760.12 is: 4,396,576.64
Step by Step Solution
- Step 1: Write the proportion equation
5,764,134.71 : 7,954,917.84 = 3,185,760.12 : x - Step 2: Convert to fraction form
5,764,134.71/7,954,917.84 = 3,185,760.12/x - Step 3: Cross multiply
5,764,134.71x = 7,954,917.84 × 3,185,760.12 - Step 4: Simplify right side
5,764,134.71x = 25,342,460,012,548.54 - Step 5: Solve for x
x = 25,342,460,012,548.54/5,764,134.71 - Step 6: Final answer
x = 4,396,576.64
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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.