Finding the Fourth Proportional to 3,656,138.52, 5,045,436.09 and 2,106,831
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Solution
The fourth proportional to 3,656,138.52, 5,045,436.09 and 2,106,831 is: 2,907,406.57
Step by Step Solution
- Step 1: Write the proportion equation
3,656,138.52 : 5,045,436.09 = 2,106,831 : x - Step 2: Convert to fraction form
3,656,138.52/5,045,436.09 = 2,106,831/x - Step 3: Cross multiply
3,656,138.52x = 5,045,436.09 × 2,106,831 - Step 4: Simplify right side
3,656,138.52x = 10,629,881,162,930.79 - Step 5: Solve for x
x = 10,629,881,162,930.79/3,656,138.52 - Step 6: Final answer
x = 2,907,406.57
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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.