Finding the Fourth Proportional to 5,515,412.56, 8,273,121.30 and 1,729,190.68
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Solution
The fourth proportional to 5,515,412.56, 8,273,121.30 and 1,729,190.68 is: 2,593,786.79
Step by Step Solution
- Step 1: Write the proportion equation
5,515,412.56 : 8,273,121.30 = 1,729,190.68 : x - Step 2: Convert to fraction form
5,515,412.56/8,273,121.30 = 1,729,190.68/x - Step 3: Cross multiply
5,515,412.56x = 8,273,121.30 × 1,729,190.68 - Step 4: Simplify right side
5,515,412.56x = 14,305,804,246,469.48 - Step 5: Solve for x
x = 14,305,804,246,469.48/5,515,412.56 - Step 6: Final answer
x = 2,593,786.79
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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.