Finding the Fourth Proportional to 5,451,822.48, 7,523,338.56 and 3,129,097.28
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Solution
The fourth proportional to 5,451,822.48, 7,523,338.56 and 3,129,097.28 is: 4,318,052.97
Step by Step Solution
- Step 1: Write the proportion equation
5,451,822.48 : 7,523,338.56 = 3,129,097.28 : x - Step 2: Convert to fraction form
5,451,822.48/7,523,338.56 = 3,129,097.28/x - Step 3: Cross multiply
5,451,822.48x = 7,523,338.56 × 3,129,097.28 - Step 4: Simplify right side
5,451,822.48x = 23,541,258,224,615.11 - Step 5: Solve for x
x = 23,541,258,224,615.11/5,451,822.48 - Step 6: Final answer
x = 4,318,052.97
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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.