Finding the Fourth Proportional to 5,117,759.97, 7,679,296.76 and 2,087,349.09
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Solution
The fourth proportional to 5,117,759.97, 7,679,296.76 and 2,087,349.09 is: 3,132,107.25
Step by Step Solution
- Step 1: Write the proportion equation
5,117,759.97 : 7,679,296.76 = 2,087,349.09 : x - Step 2: Convert to fraction form
5,117,759.97/7,679,296.76 = 2,087,349.09/x - Step 3: Cross multiply
5,117,759.97x = 7,679,296.76 × 2,087,349.09 - Step 4: Simplify right side
5,117,759.97x = 16,029,373,093,389.20 - Step 5: Solve for x
x = 16,029,373,093,389.20/5,117,759.97 - Step 6: Final answer
x = 3,132,107.25
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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.