Finding the Fourth Proportional to 5,165,943.35, 7,750,658.88 and 2,286,913.03
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Solution
The fourth proportional to 5,165,943.35, 7,750,658.88 and 2,286,913.03 is: 3,431,141.53
Step by Step Solution
- Step 1: Write the proportion equation
5,165,943.35 : 7,750,658.88 = 2,286,913.03 : x - Step 2: Convert to fraction form
5,165,943.35/7,750,658.88 = 2,286,913.03/x - Step 3: Cross multiply
5,165,943.35x = 7,750,658.88 × 2,286,913.03 - Step 4: Simplify right side
5,165,943.35x = 17,725,082,764,380.56 - Step 5: Solve for x
x = 17,725,082,764,380.56/5,165,943.35 - Step 6: Final answer
x = 3,431,141.53
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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.