Finding the Fourth Proportional to 3,971,711.70, 5,954,615.10 and 2,176,622.10
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Solution
The fourth proportional to 3,971,711.70, 5,954,615.10 and 2,176,622.10 is: 3,263,315.12
Step by Step Solution
- Step 1: Write the proportion equation
3,971,711.70 : 5,954,615.10 = 2,176,622.10 : x - Step 2: Convert to fraction form
3,971,711.70/5,954,615.10 = 2,176,622.10/x - Step 3: Cross multiply
3,971,711.70x = 5,954,615.10 × 2,176,622.10 - Step 4: Simplify right side
3,971,711.70x = 12,960,946,823,653.71 - Step 5: Solve for x
x = 12,960,946,823,653.71/3,971,711.70 - Step 6: Final answer
x = 3,263,315.12
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.