Finding the Fourth Proportional to 2,170,820.36, 2,995,832.10 and 1,203,893.03
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Solution
The fourth proportional to 2,170,820.36, 2,995,832.10 and 1,203,893.03 is: 1,661,427.84
Step by Step Solution
- Step 1: Write the proportion equation
2,170,820.36 : 2,995,832.10 = 1,203,893.03 : x - Step 2: Convert to fraction form
2,170,820.36/2,995,832.10 = 1,203,893.03/x - Step 3: Cross multiply
2,170,820.36x = 2,995,832.10 × 1,203,893.03 - Step 4: Simplify right side
2,170,820.36x = 3,606,661,384,240.26 - Step 5: Solve for x
x = 3,606,661,384,240.26/2,170,820.36 - Step 6: Final answer
x = 1,661,427.84
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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.