Finding the Fourth Proportional to 2,135,134.54, 2,946,194.97 and 1,275,512.26
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Solution
The fourth proportional to 2,135,134.54, 2,946,194.97 and 1,275,512.26 is: 1,760,033.26
Step by Step Solution
- Step 1: Write the proportion equation
2,135,134.54 : 2,946,194.97 = 1,275,512.26 : x - Step 2: Convert to fraction form
2,135,134.54/2,946,194.97 = 1,275,512.26/x - Step 3: Cross multiply
2,135,134.54x = 2,946,194.97 × 1,275,512.26 - Step 4: Simplify right side
2,135,134.54x = 3,757,907,804,585.33 - Step 5: Solve for x
x = 3,757,907,804,585.33/2,135,134.54 - Step 6: Final answer
x = 1,760,033.26
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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.