Finding the Fourth Proportional to 3,840,576.96, 5,759,531.36 and 2,137,319.50
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Solution
The fourth proportional to 3,840,576.96, 5,759,531.36 and 2,137,319.50 is: 3,205,236.82
Step by Step Solution
- Step 1: Write the proportion equation
3,840,576.96 : 5,759,531.36 = 2,137,319.50 : x - Step 2: Convert to fraction form
3,840,576.96/5,759,531.36 = 2,137,319.50/x - Step 3: Cross multiply
3,840,576.96x = 5,759,531.36 × 2,137,319.50 - Step 4: Simplify right side
3,840,576.96x = 12,309,958,686,589.52 - Step 5: Solve for x
x = 12,309,958,686,589.52/3,840,576.96 - Step 6: Final answer
x = 3,205,236.82
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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.