Finding the Fourth Proportional to 4,288,714.32, 6,431,644.20 and 1,729,268.20
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Solution
The fourth proportional to 4,288,714.32, 6,431,644.20 and 1,729,268.20 is: 2,593,326.80
Step by Step Solution
- Step 1: Write the proportion equation
4,288,714.32 : 6,431,644.20 = 1,729,268.20 : x - Step 2: Convert to fraction form
4,288,714.32/6,431,644.20 = 1,729,268.20/x - Step 3: Cross multiply
4,288,714.32x = 6,431,644.20 × 1,729,268.20 - Step 4: Simplify right side
4,288,714.32x = 11,122,037,788,774.44 - Step 5: Solve for x
x = 11,122,037,788,774.44/4,288,714.32 - Step 6: Final answer
x = 2,593,326.80
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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.