Finding the Fourth Proportional to 7,286,134.80, 10,929,202.20 and 2,236,789.20
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Solution
The fourth proportional to 7,286,134.80, 10,929,202.20 and 2,236,789.20 is: 3,355,183.80
Step by Step Solution
- Step 1: Write the proportion equation
7,286,134.80 : 10,929,202.20 = 2,236,789.20 : x - Step 2: Convert to fraction form
7,286,134.80/10,929,202.20 = 2,236,789.20/x - Step 3: Cross multiply
7,286,134.80x = 10,929,202.20 × 2,236,789.20 - Step 4: Simplify right side
7,286,134.80x = 24,446,321,445,576.24 - Step 5: Solve for x
x = 24,446,321,445,576.24/7,286,134.80 - Step 6: Final answer
x = 3,355,183.80
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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.