Finding the Fourth Proportional to 2,729,144.95, 3,766,153.51 and 1,505,423.68
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Solution
The fourth proportional to 2,729,144.95, 3,766,153.51 and 1,505,423.68 is: 2,077,447.98
Step by Step Solution
- Step 1: Write the proportion equation
2,729,144.95 : 3,766,153.51 = 1,505,423.68 : x - Step 2: Convert to fraction form
2,729,144.95/3,766,153.51 = 1,505,423.68/x - Step 3: Cross multiply
2,729,144.95x = 3,766,153.51 × 1,505,423.68 - Step 4: Simplify right side
2,729,144.95x = 5,669,656,676,469.12 - Step 5: Solve for x
x = 5,669,656,676,469.12/2,729,144.95 - Step 6: Final answer
x = 2,077,447.98
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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.