Finding the Fourth Proportional to 4,517,113.12, 6,769,689.84 and 3,313,399.84
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Solution
The fourth proportional to 4,517,113.12, 6,769,689.84 and 3,313,399.84 is: 4,965,713.42
Step by Step Solution
- Step 1: Write the proportion equation
4,517,113.12 : 6,769,689.84 = 3,313,399.84 : x - Step 2: Convert to fraction form
4,517,113.12/6,769,689.84 = 3,313,399.84/x - Step 3: Cross multiply
4,517,113.12x = 6,769,689.84 × 3,313,399.84 - Step 4: Simplify right side
4,517,113.12x = 22,430,689,232,705.62 - Step 5: Solve for x
x = 22,430,689,232,705.62/4,517,113.12 - Step 6: Final answer
x = 4,965,713.42
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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.