Finding the Fourth Proportional to 3,508,716.73, 5,263,071.57 and 1,320,694.99
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Solution
The fourth proportional to 3,508,716.73, 5,263,071.57 and 1,320,694.99 is: 1,981,041.16
Step by Step Solution
- Step 1: Write the proportion equation
3,508,716.73 : 5,263,071.57 = 1,320,694.99 : x - Step 2: Convert to fraction form
3,508,716.73/5,263,071.57 = 1,320,694.99/x - Step 3: Cross multiply
3,508,716.73x = 5,263,071.57 × 1,320,694.99 - Step 4: Simplify right side
3,508,716.73x = 6,950,912,254,510.44 - Step 5: Solve for x
x = 6,950,912,254,510.44/3,508,716.73 - Step 6: Final answer
x = 1,981,041.16
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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.