Finding the Fourth Proportional to 5,541,912.24, 7,653,120.49 and 5,239,991.36
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Solution
The fourth proportional to 5,541,912.24, 7,653,120.49 and 5,239,991.36 is: 7,236,181.93
Step by Step Solution
- Step 1: Write the proportion equation
5,541,912.24 : 7,653,120.49 = 5,239,991.36 : x - Step 2: Convert to fraction form
5,541,912.24/7,653,120.49 = 5,239,991.36/x - Step 3: Cross multiply
5,541,912.24x = 7,653,120.49 × 5,239,991.36 - Step 4: Simplify right side
5,541,912.24x = 40,102,285,193,273.39 - Step 5: Solve for x
x = 40,102,285,193,273.39/5,541,912.24 - Step 6: Final answer
x = 7,236,181.93
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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.