Finding the Fourth Proportional to 5,385,153.20, 8,079,249.76 and 2,192,570.60
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Solution
The fourth proportional to 5,385,153.20, 8,079,249.76 and 2,192,570.60 is: 3,289,474.75
Step by Step Solution
- Step 1: Write the proportion equation
5,385,153.20 : 8,079,249.76 = 2,192,570.60 : x - Step 2: Convert to fraction form
5,385,153.20/8,079,249.76 = 2,192,570.60/x - Step 3: Cross multiply
5,385,153.20x = 8,079,249.76 × 2,192,570.60 - Step 4: Simplify right side
5,385,153.20x = 17,714,325,447,955.38 - Step 5: Solve for x
x = 17,714,325,447,955.38/5,385,153.20 - Step 6: Final answer
x = 3,289,474.75
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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.