Finding the Fourth Proportional to 3,682,893.36, 5,080,632.58 and 2,861,475.60
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Solution
The fourth proportional to 3,682,893.36, 5,080,632.58 and 2,861,475.60 is: 3,947,468.67
Step by Step Solution
- Step 1: Write the proportion equation
3,682,893.36 : 5,080,632.58 = 2,861,475.60 : x - Step 2: Convert to fraction form
3,682,893.36/5,080,632.58 = 2,861,475.60/x - Step 3: Cross multiply
3,682,893.36x = 5,080,632.58 × 2,861,475.60 - Step 4: Simplify right side
3,682,893.36x = 14,538,106,153,081.36 - Step 5: Solve for x
x = 14,538,106,153,081.36/3,682,893.36 - Step 6: Final answer
x = 3,947,468.67
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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.