Finding the Fourth Proportional to 2,172,137.24, 3,258,732.57 and 655,729.63
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Solution
The fourth proportional to 2,172,137.24, 3,258,732.57 and 655,729.63 is: 983,753.44
Step by Step Solution
- Step 1: Write the proportion equation
2,172,137.24 : 3,258,732.57 = 655,729.63 : x - Step 2: Convert to fraction form
2,172,137.24/3,258,732.57 = 655,729.63/x - Step 3: Cross multiply
2,172,137.24x = 3,258,732.57 × 655,729.63 - Step 4: Simplify right side
2,172,137.24x = 2,136,847,491,789.23 - Step 5: Solve for x
x = 2,136,847,491,789.23/2,172,137.24 - Step 6: Final answer
x = 983,753.44
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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.