Finding the Fourth Proportional to 5,797,687.20, 8,000,541.12 and 3,219,532.80
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Solution
The fourth proportional to 5,797,687.20, 8,000,541.12 and 3,219,532.80 is: 4,442,806.88
Step by Step Solution
- Step 1: Write the proportion equation
5,797,687.20 : 8,000,541.12 = 3,219,532.80 : x - Step 2: Convert to fraction form
5,797,687.20/8,000,541.12 = 3,219,532.80/x - Step 3: Cross multiply
5,797,687.20x = 8,000,541.12 × 3,219,532.80 - Step 4: Simplify right side
5,797,687.20x = 25,758,004,553,588.73 - Step 5: Solve for x
x = 25,758,004,553,588.73/5,797,687.20 - Step 6: Final answer
x = 4,442,806.88
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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.