Finding the Fourth Proportional to 3,203,163.14, 4,425,166.42 and 2,103,204.20
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Solution
The fourth proportional to 3,203,163.14, 4,425,166.42 and 2,103,204.20 is: 2,905,574.33
Step by Step Solution
- Step 1: Write the proportion equation
3,203,163.14 : 4,425,166.42 = 2,103,204.20 : x - Step 2: Convert to fraction form
3,203,163.14/4,425,166.42 = 2,103,204.20/x - Step 3: Cross multiply
3,203,163.14x = 4,425,166.42 × 2,103,204.20 - Step 4: Simplify right side
3,203,163.14x = 9,307,028,572,859.12 - Step 5: Solve for x
x = 9,307,028,572,859.12/3,203,163.14 - Step 6: Final answer
x = 2,905,574.33
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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.