Finding the Fourth Proportional to 2,056,273.36, 2,837,745.90 and 1,138,502.48
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Solution
The fourth proportional to 2,056,273.36, 2,837,745.90 and 1,138,502.48 is: 1,571,182.51
Step by Step Solution
- Step 1: Write the proportion equation
2,056,273.36 : 2,837,745.90 = 1,138,502.48 : x - Step 2: Convert to fraction form
2,056,273.36/2,837,745.90 = 1,138,502.48/x - Step 3: Cross multiply
2,056,273.36x = 2,837,745.90 × 1,138,502.48 - Step 4: Simplify right side
2,056,273.36x = 3,230,780,730,571.10 - Step 5: Solve for x
x = 3,230,780,730,571.10/2,056,273.36 - Step 6: Final answer
x = 1,571,182.51
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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.