Finding the Fourth Proportional to 2,862,163.62, 3,949,880.49 and 1,573,049.70
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Solution
The fourth proportional to 2,862,163.62, 3,949,880.49 and 1,573,049.70 is: 2,170,860.63
Step by Step Solution
- Step 1: Write the proportion equation
2,862,163.62 : 3,949,880.49 = 1,573,049.70 : x - Step 2: Convert to fraction form
2,862,163.62/3,949,880.49 = 1,573,049.70/x - Step 3: Cross multiply
2,862,163.62x = 3,949,880.49 × 1,573,049.70 - Step 4: Simplify right side
2,862,163.62x = 6,213,358,319,830.35 - Step 5: Solve for x
x = 6,213,358,319,830.35/2,862,163.62 - Step 6: Final answer
x = 2,170,860.63
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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.