Finding the Fourth Proportional to 2,995,764.40, 4,493,646.60 and 2,622,516.40
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Solution
The fourth proportional to 2,995,764.40, 4,493,646.60 and 2,622,516.40 is: 3,933,774.60
Step by Step Solution
- Step 1: Write the proportion equation
2,995,764.40 : 4,493,646.60 = 2,622,516.40 : x - Step 2: Convert to fraction form
2,995,764.40/4,493,646.60 = 2,622,516.40/x - Step 3: Cross multiply
2,995,764.40x = 4,493,646.60 × 2,622,516.40 - Step 4: Simplify right side
2,995,764.40x = 11,784,661,904,304.24 - Step 5: Solve for x
x = 11,784,661,904,304.24/2,995,764.40 - Step 6: Final answer
x = 3,933,774.60
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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.