Finding the Fourth Proportional to 4,772,974.92, 6,585,553.22 and 2,812,933.60
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Solution
The fourth proportional to 4,772,974.92, 6,585,553.22 and 2,812,933.60 is: 3,881,169.34
Step by Step Solution
- Step 1: Write the proportion equation
4,772,974.92 : 6,585,553.22 = 2,812,933.60 : x - Step 2: Convert to fraction form
4,772,974.92/6,585,553.22 = 2,812,933.60/x - Step 3: Cross multiply
4,772,974.92x = 6,585,553.22 × 2,812,933.60 - Step 4: Simplify right side
4,772,974.92x = 18,524,723,927,126.19 - Step 5: Solve for x
x = 18,524,723,927,126.19/4,772,974.92 - Step 6: Final answer
x = 3,881,169.34
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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.