Finding the Fourth Proportional to 5,674,452.40, 8,512,456.20 and 2,079,348.40
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Solution
The fourth proportional to 5,674,452.40, 8,512,456.20 and 2,079,348.40 is: 3,119,307.54
Step by Step Solution
- Step 1: Write the proportion equation
5,674,452.40 : 8,512,456.20 = 2,079,348.40 : x - Step 2: Convert to fraction form
5,674,452.40/8,512,456.20 = 2,079,348.40/x - Step 3: Cross multiply
5,674,452.40x = 8,512,456.20 × 2,079,348.40 - Step 4: Simplify right side
5,674,452.40x = 17,700,362,179,540.08 - Step 5: Solve for x
x = 17,700,362,179,540.08/5,674,452.40 - Step 6: Final answer
x = 3,119,307.54
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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.