Finding the Fourth Proportional to 3,413,450.77, 5,118,461.89 and 1,138,169.68
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Solution
The fourth proportional to 3,413,450.77, 5,118,461.89 and 1,138,169.68 is: 1,706,682.92
Step by Step Solution
- Step 1: Write the proportion equation
3,413,450.77 : 5,118,461.89 = 1,138,169.68 : x - Step 2: Convert to fraction form
3,413,450.77/5,118,461.89 = 1,138,169.68/x - Step 3: Cross multiply
3,413,450.77x = 5,118,461.89 × 1,138,169.68 - Step 4: Simplify right side
3,413,450.77x = 5,825,678,115,791.92 - Step 5: Solve for x
x = 5,825,678,115,791.92/3,413,450.77 - Step 6: Final answer
x = 1,706,682.92
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.