Finding the Fourth Proportional to 4,581,872.80, 6,871,059.60 and 1,385,936.80
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Solution
The fourth proportional to 4,581,872.80, 6,871,059.60 and 1,385,936.80 is: 2,078,375.98
Step by Step Solution
- Step 1: Write the proportion equation
4,581,872.80 : 6,871,059.60 = 1,385,936.80 : x - Step 2: Convert to fraction form
4,581,872.80/6,871,059.60 = 1,385,936.80/x - Step 3: Cross multiply
4,581,872.80x = 6,871,059.60 × 1,385,936.80 - Step 4: Simplify right side
4,581,872.80x = 9,522,854,354,633.28 - Step 5: Solve for x
x = 9,522,854,354,633.28/4,581,872.80 - Step 6: Final answer
x = 2,078,375.98
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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.