Finding the Fourth Proportional to 1,533,175.47, 2,115,694.76 and 879,662.96
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Solution
The fourth proportional to 1,533,175.47, 2,115,694.76 and 879,662.96 is: 1,213,884.75
Step by Step Solution
- Step 1: Write the proportion equation
1,533,175.47 : 2,115,694.76 = 879,662.96 : x - Step 2: Convert to fraction form
1,533,175.47/2,115,694.76 = 879,662.96/x - Step 3: Cross multiply
1,533,175.47x = 2,115,694.76 × 879,662.96 - Step 4: Simplify right side
1,533,175.47x = 1,861,098,321,367.70 - Step 5: Solve for x
x = 1,861,098,321,367.70/1,533,175.47 - Step 6: Final answer
x = 1,213,884.75
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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.