Finding the Fourth Proportional to 5,124,872.82, 7,685,756.38 and 2,694,716.55
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Solution
The fourth proportional to 5,124,872.82, 7,685,756.38 and 2,694,716.55 is: 4,041,258.32
Step by Step Solution
- Step 1: Write the proportion equation
5,124,872.82 : 7,685,756.38 = 2,694,716.55 : x - Step 2: Convert to fraction form
5,124,872.82/7,685,756.38 = 2,694,716.55/x - Step 3: Cross multiply
5,124,872.82x = 7,685,756.38 × 2,694,716.55 - Step 4: Simplify right side
5,124,872.82x = 20,710,934,916,454.09 - Step 5: Solve for x
x = 20,710,934,916,454.09/5,124,872.82 - Step 6: Final answer
x = 4,041,258.32
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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.