Finding the Fourth Proportional to 3,313,915.99, 4,573,160.52 and 1,863,611.04
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Solution
The fourth proportional to 3,313,915.99, 4,573,160.52 and 1,863,611.04 is: 2,571,758.75
Step by Step Solution
- Step 1: Write the proportion equation
3,313,915.99 : 4,573,160.52 = 1,863,611.04 : x - Step 2: Convert to fraction form
3,313,915.99/4,573,160.52 = 1,863,611.04/x - Step 3: Cross multiply
3,313,915.99x = 4,573,160.52 × 1,863,611.04 - Step 4: Simplify right side
3,313,915.99x = 8,522,592,453,407.76 - Step 5: Solve for x
x = 8,522,592,453,407.76/3,313,915.99 - Step 6: Final answer
x = 2,571,758.75
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.