Finding the Fourth Proportional to 4,397,107.80, 6,595,661.70 and 2,157,619.80
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Solution
The fourth proportional to 4,397,107.80, 6,595,661.70 and 2,157,619.80 is: 3,236,429.70
Step by Step Solution
- Step 1: Write the proportion equation
4,397,107.80 : 6,595,661.70 = 2,157,619.80 : x - Step 2: Convert to fraction form
4,397,107.80/6,595,661.70 = 2,157,619.80/x - Step 3: Cross multiply
4,397,107.80x = 6,595,661.70 × 2,157,619.80 - Step 4: Simplify right side
4,397,107.80x = 14,230,930,278,021.66 - Step 5: Solve for x
x = 14,230,930,278,021.66/4,397,107.80 - Step 6: Final answer
x = 3,236,429.70
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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.