Finding the Fourth Proportional to 6,767,174.88, 9,339,291.99 and 3,711,979.62
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Solution
The fourth proportional to 6,767,174.88, 9,339,291.99 and 3,711,979.62 is: 5,122,855.87
Step by Step Solution
- Step 1: Write the proportion equation
6,767,174.88 : 9,339,291.99 = 3,711,979.62 : x - Step 2: Convert to fraction form
6,767,174.88/9,339,291.99 = 3,711,979.62/x - Step 3: Cross multiply
6,767,174.88x = 9,339,291.99 × 3,711,979.62 - Step 4: Simplify right side
6,767,174.88x = 34,667,261,532,109.25 - Step 5: Solve for x
x = 34,667,261,532,109.25/6,767,174.88 - Step 6: Final answer
x = 5,122,855.87
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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.