Finding the Fourth Proportional to 5,486,747.40, 8,230,121.10 and 3,471,208.20
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Solution
The fourth proportional to 5,486,747.40, 8,230,121.10 and 3,471,208.20 is: 5,206,812.30
Step by Step Solution
- Step 1: Write the proportion equation
5,486,747.40 : 8,230,121.10 = 3,471,208.20 : x - Step 2: Convert to fraction form
5,486,747.40/8,230,121.10 = 3,471,208.20/x - Step 3: Cross multiply
5,486,747.40x = 8,230,121.10 × 3,471,208.20 - Step 4: Simplify right side
5,486,747.40x = 28,568,463,849,313.02 - Step 5: Solve for x
x = 28,568,463,849,313.02/5,486,747.40 - Step 6: Final answer
x = 5,206,812.30
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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.