Finding the Fourth Proportional to 3,478,231.96, 5,212,027.05 and 1,859,231.09
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Solution
The fourth proportional to 3,478,231.96, 5,212,027.05 and 1,859,231.09 is: 2,786,002.45
Step by Step Solution
- Step 1: Write the proportion equation
3,478,231.96 : 5,212,027.05 = 1,859,231.09 : x - Step 2: Convert to fraction form
3,478,231.96/5,212,027.05 = 1,859,231.09/x - Step 3: Cross multiply
3,478,231.96x = 5,212,027.05 × 1,859,231.09 - Step 4: Simplify right side
3,478,231.96x = 9,690,362,739,338.94 - Step 5: Solve for x
x = 9,690,362,739,338.94/3,478,231.96 - Step 6: Final answer
x = 2,786,002.45
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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.