Finding the Fourth Proportional to 3,919,868.97, 5,877,974.90 and 1,491,474.23
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Solution
The fourth proportional to 3,919,868.97, 5,877,974.90 and 1,491,474.23 is: 2,236,515.60
Step by Step Solution
- Step 1: Write the proportion equation
3,919,868.97 : 5,877,974.90 = 1,491,474.23 : x - Step 2: Convert to fraction form
3,919,868.97/5,877,974.90 = 1,491,474.23/x - Step 3: Cross multiply
3,919,868.97x = 5,877,974.90 × 1,491,474.23 - Step 4: Simplify right side
3,919,868.97x = 8,766,848,080,123.27 - Step 5: Solve for x
x = 8,766,848,080,123.27/3,919,868.97 - Step 6: Final answer
x = 2,236,515.60
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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.