Finding the Fourth Proportional to 3,255,406.68, 4,492,515.24 and 1,805,163.24
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Solution
The fourth proportional to 3,255,406.68, 4,492,515.24 and 1,805,163.24 is: 2,491,155.23
Step by Step Solution
- Step 1: Write the proportion equation
3,255,406.68 : 4,492,515.24 = 1,805,163.24 : x - Step 2: Convert to fraction form
3,255,406.68/4,492,515.24 = 1,805,163.24/x - Step 3: Cross multiply
3,255,406.68x = 4,492,515.24 × 1,805,163.24 - Step 4: Simplify right side
3,255,406.68x = 8,109,723,366,387.78 - Step 5: Solve for x
x = 8,109,723,366,387.78/3,255,406.68 - Step 6: Final answer
x = 2,491,155.23
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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.