Finding the Fourth Proportional to 4,126,205.20, 6,189,307.80 and 2,866,493.20
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Solution
The fourth proportional to 4,126,205.20, 6,189,307.80 and 2,866,493.20 is: 4,299,739.80
Step by Step Solution
- Step 1: Write the proportion equation
4,126,205.20 : 6,189,307.80 = 2,866,493.20 : x - Step 2: Convert to fraction form
4,126,205.20/6,189,307.80 = 2,866,493.20/x - Step 3: Cross multiply
4,126,205.20x = 6,189,307.80 × 2,866,493.20 - Step 4: Simplify right side
4,126,205.20x = 17,741,608,721,406.96 - Step 5: Solve for x
x = 17,741,608,721,406.96/4,126,205.20 - Step 6: Final answer
x = 4,299,739.80
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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.