Finding the Fourth Proportional to 2,994,757.11, 4,132,755.68 and 1,636,630.11
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Solution
The fourth proportional to 2,994,757.11, 4,132,755.68 and 1,636,630.11 is: 2,258,544.56
Step by Step Solution
- Step 1: Write the proportion equation
2,994,757.11 : 4,132,755.68 = 1,636,630.11 : x - Step 2: Convert to fraction form
2,994,757.11/4,132,755.68 = 1,636,630.11/x - Step 3: Cross multiply
2,994,757.11x = 4,132,755.68 × 1,636,630.11 - Step 4: Simplify right side
2,994,757.11x = 6,763,792,374,978.37 - Step 5: Solve for x
x = 6,763,792,374,978.37/2,994,757.11 - Step 6: Final answer
x = 2,258,544.56
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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.