Finding the Fourth Proportional to 2,512,117.80, 3,467,503.10 and 1,996,786.08
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Solution
The fourth proportional to 2,512,117.80, 3,467,503.10 and 1,996,786.08 is: 2,756,185.20
Step by Step Solution
- Step 1: Write the proportion equation
2,512,117.80 : 3,467,503.10 = 1,996,786.08 : x - Step 2: Convert to fraction form
2,512,117.80/3,467,503.10 = 1,996,786.08/x - Step 3: Cross multiply
2,512,117.80x = 3,467,503.10 × 1,996,786.08 - Step 4: Simplify right side
2,512,117.80x = 6,923,861,912,452.92 - Step 5: Solve for x
x = 6,923,861,912,452.92/2,512,117.80 - Step 6: Final answer
x = 2,756,185.20
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1.5x scale
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.