Finding the Fourth Proportional to 3,454,589.88, 5,180,762.06 and 1,148,463.96
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Solution
The fourth proportional to 3,454,589.88, 5,180,762.06 and 1,148,463.96 is: 1,722,322.68
Step by Step Solution
- Step 1: Write the proportion equation
3,454,589.88 : 5,180,762.06 = 1,148,463.96 : x - Step 2: Convert to fraction form
3,454,589.88/5,180,762.06 = 1,148,463.96/x - Step 3: Cross multiply
3,454,589.88x = 5,180,762.06 × 1,148,463.96 - Step 4: Simplify right side
3,454,589.88x = 5,949,918,511,245.36 - Step 5: Solve for x
x = 5,949,918,511,245.36/3,454,589.88 - Step 6: Final answer
x = 1,722,322.68
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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.