Finding the Fourth Proportional to 5,288,477.76, 7,295,610.24 and 3,834,984.96
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Solution
The fourth proportional to 5,288,477.76, 7,295,610.24 and 3,834,984.96 is: 5,290,474.28
Step by Step Solution
- Step 1: Write the proportion equation
5,288,477.76 : 7,295,610.24 = 3,834,984.96 : x - Step 2: Convert to fraction form
5,288,477.76/7,295,610.24 = 3,834,984.96/x - Step 3: Cross multiply
5,288,477.76x = 7,295,610.24 × 3,834,984.96 - Step 4: Simplify right side
5,288,477.76x = 27,978,555,544,421.99 - Step 5: Solve for x
x = 27,978,555,544,421.99/5,288,477.76 - Step 6: Final answer
x = 5,290,474.28
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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.