Finding the Fourth Proportional to 2,135,044.40, 2,946,287.97 and 1,217,568.83
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Solution
The fourth proportional to 2,135,044.40, 2,946,287.97 and 1,217,568.83 is: 1,680,203.18
Step by Step Solution
- Step 1: Write the proportion equation
2,135,044.40 : 2,946,287.97 = 1,217,568.83 : x - Step 2: Convert to fraction form
2,135,044.40/2,946,287.97 = 1,217,568.83/x - Step 3: Cross multiply
2,135,044.40x = 2,946,287.97 × 1,217,568.83 - Step 4: Simplify right side
2,135,044.40x = 3,587,308,396,475.98 - Step 5: Solve for x
x = 3,587,308,396,475.98/2,135,044.40 - Step 6: Final answer
x = 1,680,203.18
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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.