Finding the Fourth Proportional to 3,438,863.20, 5,146,047.60 and 2,994,464.80
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Solution
The fourth proportional to 3,438,863.20, 5,146,047.60 and 2,994,464.80 is: 4,481,032.68
Step by Step Solution
- Step 1: Write the proportion equation
3,438,863.20 : 5,146,047.60 = 2,994,464.80 : x - Step 2: Convert to fraction form
3,438,863.20/5,146,047.60 = 2,994,464.80/x - Step 3: Cross multiply
3,438,863.20x = 5,146,047.60 × 2,994,464.80 - Step 4: Simplify right side
3,438,863.20x = 15,409,658,397,324.48 - Step 5: Solve for x
x = 15,409,658,397,324.48/3,438,863.20 - Step 6: Final answer
x = 4,481,032.68
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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.