Finding the Fourth Proportional to 5,927,576.64, 8,180,064.09 and 3,211,322.64
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Solution
The fourth proportional to 5,927,576.64, 8,180,064.09 and 3,211,322.64 is: 4,431,629.75
Step by Step Solution
- Step 1: Write the proportion equation
5,927,576.64 : 8,180,064.09 = 3,211,322.64 : x - Step 2: Convert to fraction form
5,927,576.64/8,180,064.09 = 3,211,322.64/x - Step 3: Cross multiply
5,927,576.64x = 8,180,064.09 × 3,211,322.64 - Step 4: Simplify right side
5,927,576.64x = 26,268,825,008,868 - Step 5: Solve for x
x = 26,268,825,008,868/5,927,576.64 - Step 6: Final answer
x = 4,431,629.75
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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.