Finding the Fourth Proportional to 3,174,247.65, 4,380,747.40 and 1,797,926.12
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Solution
The fourth proportional to 3,174,247.65, 4,380,747.40 and 1,797,926.12 is: 2,481,299.83
Step by Step Solution
- Step 1: Write the proportion equation
3,174,247.65 : 4,380,747.40 = 1,797,926.12 : x - Step 2: Convert to fraction form
3,174,247.65/4,380,747.40 = 1,797,926.12/x - Step 3: Cross multiply
3,174,247.65x = 4,380,747.40 × 1,797,926.12 - Step 4: Simplify right side
3,174,247.65x = 7,876,260,160,135.40 - Step 5: Solve for x
x = 7,876,260,160,135.40/3,174,247.65 - Step 6: Final answer
x = 2,481,299.83
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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.