Finding the Fourth Proportional to 1,395,469.11, 2,091,874.84 and 448,175.53
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Solution
The fourth proportional to 1,395,469.11, 2,091,874.84 and 448,175.53 is: 671,836.52
Step by Step Solution
- Step 1: Write the proportion equation
1,395,469.11 : 2,091,874.84 = 448,175.53 : x - Step 2: Convert to fraction form
1,395,469.11/2,091,874.84 = 448,175.53/x - Step 3: Cross multiply
1,395,469.11x = 2,091,874.84 × 448,175.53 - Step 4: Simplify right side
1,395,469.11x = 937,527,117,865.56 - Step 5: Solve for x
x = 937,527,117,865.56/1,395,469.11 - Step 6: Final answer
x = 671,836.52
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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.