Finding the Fourth Proportional to 4,171,711.68, 5,757,043.68 and 2,722,334.40
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Solution
The fourth proportional to 4,171,711.68, 5,757,043.68 and 2,722,334.40 is: 3,756,874.70
Step by Step Solution
- Step 1: Write the proportion equation
4,171,711.68 : 5,757,043.68 = 2,722,334.40 : x - Step 2: Convert to fraction form
4,171,711.68/5,757,043.68 = 2,722,334.40/x - Step 3: Cross multiply
4,171,711.68x = 5,757,043.68 × 2,722,334.40 - Step 4: Simplify right side
4,171,711.68x = 15,672,598,052,366.59 - Step 5: Solve for x
x = 15,672,598,052,366.59/4,171,711.68 - Step 6: Final answer
x = 3,756,874.70
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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.