Finding the Fourth Proportional to 5,212,635.27, 7,193,484.36 and 2,889,552.84
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Solution
The fourth proportional to 5,212,635.27, 7,193,484.36 and 2,889,552.84 is: 3,987,609.35
Step by Step Solution
- Step 1: Write the proportion equation
5,212,635.27 : 7,193,484.36 = 2,889,552.84 : x - Step 2: Convert to fraction form
5,212,635.27/7,193,484.36 = 2,889,552.84/x - Step 3: Cross multiply
5,212,635.27x = 7,193,484.36 × 2,889,552.84 - Step 4: Simplify right side
5,212,635.27x = 20,785,953,161,933.58 - Step 5: Solve for x
x = 20,785,953,161,933.58/5,212,635.27 - Step 6: Final answer
x = 3,987,609.35
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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.