Finding the Fourth Proportional to 3,040,504.64, 4,200,453.87 and 1,996,402.99
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Solution
The fourth proportional to 3,040,504.64, 4,200,453.87 and 1,996,402.99 is: 2,758,028.57
Step by Step Solution
- Step 1: Write the proportion equation
3,040,504.64 : 4,200,453.87 = 1,996,402.99 : x - Step 2: Convert to fraction form
3,040,504.64/4,200,453.87 = 1,996,402.99/x - Step 3: Cross multiply
3,040,504.64x = 4,200,453.87 × 1,996,402.99 - Step 4: Simplify right side
3,040,504.64x = 8,385,798,649,114.38 - Step 5: Solve for x
x = 8,385,798,649,114.38/3,040,504.64 - Step 6: Final answer
x = 2,758,028.57
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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.