Finding the Fourth Proportional to 4,284,889.20, 5,912,949.24 and 2,351,101.68
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Solution
The fourth proportional to 4,284,889.20, 5,912,949.24 and 2,351,101.68 is: 3,244,411.76
Step by Step Solution
- Step 1: Write the proportion equation
4,284,889.20 : 5,912,949.24 = 2,351,101.68 : x - Step 2: Convert to fraction form
4,284,889.20/5,912,949.24 = 2,351,101.68/x - Step 3: Cross multiply
4,284,889.20x = 5,912,949.24 × 2,351,101.68 - Step 4: Simplify right side
4,284,889.20x = 13,901,944,891,918.72 - Step 5: Solve for x
x = 13,901,944,891,918.72/4,284,889.20 - Step 6: Final answer
x = 3,244,411.76
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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.