Finding the Fourth Proportional to 5,743,831.56, 7,926,487.60 and 3,165,512.36
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Solution
The fourth proportional to 5,743,831.56, 7,926,487.60 and 3,165,512.36 is: 4,368,407.08
Step by Step Solution
- Step 1: Write the proportion equation
5,743,831.56 : 7,926,487.60 = 3,165,512.36 : x - Step 2: Convert to fraction form
5,743,831.56/7,926,487.60 = 3,165,512.36/x - Step 3: Cross multiply
5,743,831.56x = 7,926,487.60 × 3,165,512.36 - Step 4: Simplify right side
5,743,831.56x = 25,091,394,469,186.73 - Step 5: Solve for x
x = 25,091,394,469,186.73/5,743,831.56 - Step 6: Final answer
x = 4,368,407.08
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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.