Finding the Fourth Proportional to 3,934,626.15, 5,902,149.89 and 1,239,161.31
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Solution
The fourth proportional to 3,934,626.15, 5,902,149.89 and 1,239,161.31 is: 1,858,808.31
Step by Step Solution
- Step 1: Write the proportion equation
3,934,626.15 : 5,902,149.89 = 1,239,161.31 : x - Step 2: Convert to fraction form
3,934,626.15/5,902,149.89 = 1,239,161.31/x - Step 3: Cross multiply
3,934,626.15x = 5,902,149.89 × 1,239,161.31 - Step 4: Simplify right side
3,934,626.15x = 7,313,715,783,312.95 - Step 5: Solve for x
x = 7,313,715,783,312.95/3,934,626.15 - Step 6: Final answer
x = 1,858,808.31
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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.