Finding the Fourth Proportional to 1,994,939.05, 2,753,033.49 and 1,135,554.64
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Solution
The fourth proportional to 1,994,939.05, 2,753,033.49 and 1,135,554.64 is: 1,567,075.42
Step by Step Solution
- Step 1: Write the proportion equation
1,994,939.05 : 2,753,033.49 = 1,135,554.64 : x - Step 2: Convert to fraction form
1,994,939.05/2,753,033.49 = 1,135,554.64/x - Step 3: Cross multiply
1,994,939.05x = 2,753,033.49 × 1,135,554.64 - Step 4: Simplify right side
1,994,939.05x = 3,126,219,953,644.89 - Step 5: Solve for x
x = 3,126,219,953,644.89/1,994,939.05 - Step 6: Final answer
x = 1,567,075.42
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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.