Finding the Fourth Proportional to 4,115,153.70, 5,678,850.60 and 2,279,606.49
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Solution
The fourth proportional to 4,115,153.70, 5,678,850.60 and 2,279,606.49 is: 3,145,822.88
Step by Step Solution
- Step 1: Write the proportion equation
4,115,153.70 : 5,678,850.60 = 2,279,606.49 : x - Step 2: Convert to fraction form
4,115,153.70/5,678,850.60 = 2,279,606.49/x - Step 3: Cross multiply
4,115,153.70x = 5,678,850.60 × 2,279,606.49 - Step 4: Simplify right side
4,115,153.70x = 12,945,544,683,500.39 - Step 5: Solve for x
x = 12,945,544,683,500.39/4,115,153.70 - Step 6: Final answer
x = 3,145,822.88
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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.