Finding the Fourth Proportional to 3,447,032.76, 4,756,469.85 and 1,996,716.42
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Solution
The fourth proportional to 3,447,032.76, 4,756,469.85 and 1,996,716.42 is: 2,755,216.48
Step by Step Solution
- Step 1: Write the proportion equation
3,447,032.76 : 4,756,469.85 = 1,996,716.42 : x - Step 2: Convert to fraction form
3,447,032.76/4,756,469.85 = 1,996,716.42/x - Step 3: Cross multiply
3,447,032.76x = 4,756,469.85 × 1,996,716.42 - Step 4: Simplify right side
3,447,032.76x = 9,497,321,450,729.94 - Step 5: Solve for x
x = 9,497,321,450,729.94/3,447,032.76 - Step 6: Final answer
x = 2,755,216.48
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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.