Finding the Fourth Proportional to 3,208,487.99, 4,809,493.52 and 2,011,251.07
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Solution
The fourth proportional to 3,208,487.99, 4,809,493.52 and 2,011,251.07 is: 3,014,846.56
Step by Step Solution
- Step 1: Write the proportion equation
3,208,487.99 : 4,809,493.52 = 2,011,251.07 : x - Step 2: Convert to fraction form
3,208,487.99/4,809,493.52 = 2,011,251.07/x - Step 3: Cross multiply
3,208,487.99x = 4,809,493.52 × 2,011,251.07 - Step 4: Simplify right side
3,208,487.99x = 9,673,098,981,262.46 - Step 5: Solve for x
x = 9,673,098,981,262.46/3,208,487.99 - Step 6: Final answer
x = 3,014,846.56
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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.