Finding the Fourth Proportional to 2,994,786.97, 4,492,176.81 and 720,310.21
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Solution
The fourth proportional to 2,994,786.97, 4,492,176.81 and 720,310.21 is: 1,080,464.44
Step by Step Solution
- Step 1: Write the proportion equation
2,994,786.97 : 4,492,176.81 = 720,310.21 : x - Step 2: Convert to fraction form
2,994,786.97/4,492,176.81 = 720,310.21/x - Step 3: Cross multiply
2,994,786.97x = 4,492,176.81 × 720,310.21 - Step 4: Simplify right side
2,994,786.97x = 3,235,760,821,368.23 - Step 5: Solve for x
x = 3,235,760,821,368.23/2,994,786.97 - Step 6: Final answer
x = 1,080,464.44
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1.5x scale
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.