Finding the Fourth Proportional to 5,436,212.94, 8,143,433.61 and 3,276,036.49
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Solution
The fourth proportional to 5,436,212.94, 8,143,433.61 and 3,276,036.49 is: 4,907,494.60
Step by Step Solution
- Step 1: Write the proportion equation
5,436,212.94 : 8,143,433.61 = 3,276,036.49 : x - Step 2: Convert to fraction form
5,436,212.94/8,143,433.61 = 3,276,036.49/x - Step 3: Cross multiply
5,436,212.94x = 8,143,433.61 × 3,276,036.49 - Step 4: Simplify right side
5,436,212.94x = 26,678,185,660,252.43 - Step 5: Solve for x
x = 26,678,185,660,252.43/5,436,212.94 - Step 6: Final answer
x = 4,907,494.60
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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.