Finding the Fourth Proportional to 3,768,197.20, 5,201,282.91 and 2,995,199.62
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Solution
The fourth proportional to 3,768,197.20, 5,201,282.91 and 2,995,199.62 is: 4,134,306.08
Step by Step Solution
- Step 1: Write the proportion equation
3,768,197.20 : 5,201,282.91 = 2,995,199.62 : x - Step 2: Convert to fraction form
3,768,197.20/5,201,282.91 = 2,995,199.62/x - Step 3: Cross multiply
3,768,197.20x = 5,201,282.91 × 2,995,199.62 - Step 4: Simplify right side
3,768,197.20x = 15,578,880,595,544.50 - Step 5: Solve for x
x = 15,578,880,595,544.50/3,768,197.20 - Step 6: Final answer
x = 4,134,306.08
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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.