Finding the Fourth Proportional to 5,220,729.10, 7,828,760.85 and 2,024,793.10
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Solution
The fourth proportional to 5,220,729.10, 7,828,760.85 and 2,024,793.10 is: 3,036,284.90
Step by Step Solution
- Step 1: Write the proportion equation
5,220,729.10 : 7,828,760.85 = 2,024,793.10 : x - Step 2: Convert to fraction form
5,220,729.10/7,828,760.85 = 2,024,793.10/x - Step 3: Cross multiply
5,220,729.10x = 7,828,760.85 × 2,024,793.10 - Step 4: Simplify right side
5,220,729.10x = 15,851,620,950,630.13 - Step 5: Solve for x
x = 15,851,620,950,630.13/5,220,729.10 - Step 6: Final answer
x = 3,036,284.90
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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.