Finding the Fourth Proportional to 4,914,950.04, 7,372,418.70 and 1,320,717.04
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Solution
The fourth proportional to 4,914,950.04, 7,372,418.70 and 1,320,717.04 is: 1,981,073.85
Step by Step Solution
- Step 1: Write the proportion equation
4,914,950.04 : 7,372,418.70 = 1,320,717.04 : x - Step 2: Convert to fraction form
4,914,950.04/7,372,418.70 = 1,320,717.04/x - Step 3: Cross multiply
4,914,950.04x = 7,372,418.70 × 1,320,717.04 - Step 4: Simplify right side
4,914,950.04x = 9,736,879,003,104.65 - Step 5: Solve for x
x = 9,736,879,003,104.65/4,914,950.04 - Step 6: Final answer
x = 1,981,073.85
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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.