Finding the Fourth Proportional to 5,790,838.19, 7,991,366.12 and 3,212,519.04
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Solution
The fourth proportional to 5,790,838.19, 7,991,366.12 and 3,212,519.04 is: 4,433,281.50
Step by Step Solution
- Step 1: Write the proportion equation
5,790,838.19 : 7,991,366.12 = 3,212,519.04 : x - Step 2: Convert to fraction form
5,790,838.19/7,991,366.12 = 3,212,519.04/x - Step 3: Cross multiply
5,790,838.19x = 7,991,366.12 × 3,212,519.04 - Step 4: Simplify right side
5,790,838.19x = 25,672,415,800,048.33 - Step 5: Solve for x
x = 25,672,415,800,048.33/5,790,838.19 - Step 6: Final answer
x = 4,433,281.50
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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.