Finding the Fourth Proportional to 1,913,115.39, 2,867,704.79 and 848,658.75
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Solution
The fourth proportional to 1,913,115.39, 2,867,704.79 and 848,658.75 is: 1,272,114.99
Step by Step Solution
- Step 1: Write the proportion equation
1,913,115.39 : 2,867,704.79 = 848,658.75 : x - Step 2: Convert to fraction form
1,913,115.39/2,867,704.79 = 848,658.75/x - Step 3: Cross multiply
1,913,115.39x = 2,867,704.79 × 848,658.75 - Step 4: Simplify right side
1,913,115.39x = 2,433,702,758,207.12 - Step 5: Solve for x
x = 2,433,702,758,207.12/1,913,115.39 - Step 6: Final answer
x = 1,272,114.99
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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.