Finding the Fourth Proportional to 3,388,940.28, 5,084,576.82 and 2,125,288.44
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Solution
The fourth proportional to 3,388,940.28, 5,084,576.82 and 2,125,288.44 is: 3,188,664.14
Step by Step Solution
- Step 1: Write the proportion equation
3,388,940.28 : 5,084,576.82 = 2,125,288.44 : x - Step 2: Convert to fraction form
3,388,940.28/5,084,576.82 = 2,125,288.44/x - Step 3: Cross multiply
3,388,940.28x = 5,084,576.82 × 2,125,288.44 - Step 4: Simplify right side
3,388,940.28x = 10,806,192,337,837.96 - Step 5: Solve for x
x = 10,806,192,337,837.96/3,388,940.28 - Step 6: Final answer
x = 3,188,664.14
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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.