Finding the Fourth Proportional to 3,148,405.88, 4,722,635.28 and 874,107.62
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Solution
The fourth proportional to 3,148,405.88, 4,722,635.28 and 874,107.62 is: 1,311,168.77
Step by Step Solution
- Step 1: Write the proportion equation
3,148,405.88 : 4,722,635.28 = 874,107.62 : x - Step 2: Convert to fraction form
3,148,405.88/4,722,635.28 = 874,107.62/x - Step 3: Cross multiply
3,148,405.88x = 4,722,635.28 × 874,107.62 - Step 4: Simplify right side
3,148,405.88x = 4,128,091,456,745.12 - Step 5: Solve for x
x = 4,128,091,456,745.12/3,148,405.88 - Step 6: Final answer
x = 1,311,168.77
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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.