Finding the Fourth Proportional to 3,946,829.49, 5,446,624.77 and 2,135,993.49
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Solution
The fourth proportional to 3,946,829.49, 5,446,624.77 and 2,135,993.49 is: 2,947,671.06
Step by Step Solution
- Step 1: Write the proportion equation
3,946,829.49 : 5,446,624.77 = 2,135,993.49 : x - Step 2: Convert to fraction form
3,946,829.49/5,446,624.77 = 2,135,993.49/x - Step 3: Cross multiply
3,946,829.49x = 5,446,624.77 × 2,135,993.49 - Step 4: Simplify right side
3,946,829.49x = 11,633,955,051,192.75 - Step 5: Solve for x
x = 11,633,955,051,192.75/3,946,829.49 - Step 6: Final answer
x = 2,947,671.06
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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.