Finding the Fourth Proportional to 2,236,464.96, 3,086,240.16 and 1,217,847.36
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Solution
The fourth proportional to 2,236,464.96, 3,086,240.16 and 1,217,847.36 is: 1,680,584.98
Step by Step Solution
- Step 1: Write the proportion equation
2,236,464.96 : 3,086,240.16 = 1,217,847.36 : x - Step 2: Convert to fraction form
2,236,464.96/3,086,240.16 = 1,217,847.36/x - Step 3: Cross multiply
2,236,464.96x = 3,086,240.16 × 1,217,847.36 - Step 4: Simplify right side
2,236,464.96x = 3,758,569,431,181.98 - Step 5: Solve for x
x = 3,758,569,431,181.98/2,236,464.96 - Step 6: Final answer
x = 1,680,584.98
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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.