Finding the Fourth Proportional to 2,170,748.37, 2,995,816.77 and 1,204,190.09
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Solution
The fourth proportional to 2,170,748.37, 2,995,816.77 and 1,204,190.09 is: 1,661,884.40
Step by Step Solution
- Step 1: Write the proportion equation
2,170,748.37 : 2,995,816.77 = 1,204,190.09 : x - Step 2: Convert to fraction form
2,170,748.37/2,995,816.77 = 1,204,190.09/x - Step 3: Cross multiply
2,170,748.37x = 2,995,816.77 × 1,204,190.09 - Step 4: Simplify right side
2,170,748.37x = 3,607,532,850,910.73 - Step 5: Solve for x
x = 3,607,532,850,910.73/2,170,748.37 - Step 6: Final answer
x = 1,661,884.40
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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.