Finding the Fourth Proportional to 3,515,049.12, 5,272,350.78 and 1,120,611.84
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Solution
The fourth proportional to 3,515,049.12, 5,272,350.78 and 1,120,611.84 is: 1,680,846.70
Step by Step Solution
- Step 1: Write the proportion equation
3,515,049.12 : 5,272,350.78 = 1,120,611.84 : x - Step 2: Convert to fraction form
3,515,049.12/5,272,350.78 = 1,120,611.84/x - Step 3: Cross multiply
3,515,049.12x = 5,272,350.78 × 1,120,611.84 - Step 4: Simplify right side
3,515,049.12x = 5,908,258,708,701.24 - Step 5: Solve for x
x = 5,908,258,708,701.24/3,515,049.12 - Step 6: Final answer
x = 1,680,846.70
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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.