Finding the Fourth Proportional to 5,398,838.74, 7,450,486.01 and 3,223,571.98
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Solution
The fourth proportional to 5,398,838.74, 7,450,486.01 and 3,223,571.98 is: 4,448,582.20
Step by Step Solution
- Step 1: Write the proportion equation
5,398,838.74 : 7,450,486.01 = 3,223,571.98 : x - Step 2: Convert to fraction form
5,398,838.74/7,450,486.01 = 3,223,571.98/x - Step 3: Cross multiply
5,398,838.74x = 7,450,486.01 × 3,223,571.98 - Step 4: Simplify right side
5,398,838.74x = 24,017,177,939,218 - Step 5: Solve for x
x = 24,017,177,939,218/5,398,838.74 - Step 6: Final answer
x = 4,448,582.20
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.