Finding the Fourth Proportional to 4,505,164.74, 6,217,077.84 and 2,440,128.96
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Solution
The fourth proportional to 4,505,164.74, 6,217,077.84 and 2,440,128.96 is: 3,367,351.15
Step by Step Solution
- Step 1: Write the proportion equation
4,505,164.74 : 6,217,077.84 = 2,440,128.96 : x - Step 2: Convert to fraction form
4,505,164.74/6,217,077.84 = 2,440,128.96/x - Step 3: Cross multiply
4,505,164.74x = 6,217,077.84 × 2,440,128.96 - Step 4: Simplify right side
4,505,164.74x = 15,170,471,683,958.25 - Step 5: Solve for x
x = 15,170,471,683,958.25/4,505,164.74 - Step 6: Final answer
x = 3,367,351.15
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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.