Finding the Fourth Proportional to 3,072,273.08, 4,239,745.84 and 1,676,847.56
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Solution
The fourth proportional to 3,072,273.08, 4,239,745.84 and 1,676,847.56 is: 2,314,054.54
Step by Step Solution
- Step 1: Write the proportion equation
3,072,273.08 : 4,239,745.84 = 1,676,847.56 : x - Step 2: Convert to fraction form
3,072,273.08/4,239,745.84 = 1,676,847.56/x - Step 3: Cross multiply
3,072,273.08x = 4,239,745.84 × 1,676,847.56 - Step 4: Simplify right side
3,072,273.08x = 7,109,407,479,519.57 - Step 5: Solve for x
x = 7,109,407,479,519.57/3,072,273.08 - Step 6: Final answer
x = 2,314,054.54
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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.