Finding the Fourth Proportional to 1,662,163.14, 2,492,358.57 and 862,639.68
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Solution
The fourth proportional to 1,662,163.14, 2,492,358.57 and 862,639.68 is: 1,293,499.63
Step by Step Solution
- Step 1: Write the proportion equation
1,662,163.14 : 2,492,358.57 = 862,639.68 : x - Step 2: Convert to fraction form
1,662,163.14/2,492,358.57 = 862,639.68/x - Step 3: Cross multiply
1,662,163.14x = 2,492,358.57 × 862,639.68 - Step 4: Simplify right side
1,662,163.14x = 2,150,007,399,270.06 - Step 5: Solve for x
x = 2,150,007,399,270.06/1,662,163.14 - Step 6: Final answer
x = 1,293,499.63
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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.