Finding the Fourth Proportional to 4,091,948.12, 5,647,224.72 and 2,256,765.44
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Solution
The fourth proportional to 4,091,948.12, 5,647,224.72 and 2,256,765.44 is: 3,114,521.79
Step by Step Solution
- Step 1: Write the proportion equation
4,091,948.12 : 5,647,224.72 = 2,256,765.44 : x - Step 2: Convert to fraction form
4,091,948.12/5,647,224.72 = 2,256,765.44/x - Step 3: Cross multiply
4,091,948.12x = 5,647,224.72 × 2,256,765.44 - Step 4: Simplify right side
4,091,948.12x = 12,744,461,580,009.68 - Step 5: Solve for x
x = 12,744,461,580,009.68/4,091,948.12 - Step 6: Final answer
x = 3,114,521.79
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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.