Finding the Fourth Proportional to 2,665,431.42, 3,998,080.70 and 1,247,074.44
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Solution
The fourth proportional to 2,665,431.42, 3,998,080.70 and 1,247,074.44 is: 1,870,580.58
Step by Step Solution
- Step 1: Write the proportion equation
2,665,431.42 : 3,998,080.70 = 1,247,074.44 : x - Step 2: Convert to fraction form
2,665,431.42/3,998,080.70 = 1,247,074.44/x - Step 3: Cross multiply
2,665,431.42x = 3,998,080.70 × 1,247,074.44 - Step 4: Simplify right side
2,665,431.42x = 4,985,904,250,027.31 - Step 5: Solve for x
x = 4,985,904,250,027.31/2,665,431.42 - Step 6: Final answer
x = 1,870,580.58
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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.