Finding the Fourth Proportional to 3,560,915.21, 5,341,379.49 and 865,242.70
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Solution
The fourth proportional to 3,560,915.21, 5,341,379.49 and 865,242.70 is: 1,297,865.67
Step by Step Solution
- Step 1: Write the proportion equation
3,560,915.21 : 5,341,379.49 = 865,242.70 : x - Step 2: Convert to fraction form
3,560,915.21/5,341,379.49 = 865,242.70/x - Step 3: Cross multiply
3,560,915.21x = 5,341,379.49 × 865,242.70 - Step 4: Simplify right side
3,560,915.21x = 4,621,589,611,652.22 - Step 5: Solve for x
x = 4,621,589,611,652.22/3,560,915.21 - Step 6: Final answer
x = 1,297,865.67
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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.