Finding the Fourth Proportional to 4,153,915.20, 6,220,375.20 and 3,314,107.20
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Solution
The fourth proportional to 4,153,915.20, 6,220,375.20 and 3,314,107.20 is: 4,962,785.53
Step by Step Solution
- Step 1: Write the proportion equation
4,153,915.20 : 6,220,375.20 = 3,314,107.20 : x - Step 2: Convert to fraction form
4,153,915.20/6,220,375.20 = 3,314,107.20/x - Step 3: Cross multiply
4,153,915.20x = 6,220,375.20 × 3,314,107.20 - Step 4: Simplify right side
4,153,915.20x = 20,614,990,237,021.44 - Step 5: Solve for x
x = 20,614,990,237,021.44/4,153,915.20 - Step 6: Final answer
x = 4,962,785.53
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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.