Finding the Fourth Proportional to 1,717,175.62, 2,576,198.40 and 1,212,722.20
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Solution
The fourth proportional to 1,717,175.62, 2,576,198.40 and 1,212,722.20 is: 1,819,390.49
Step by Step Solution
- Step 1: Write the proportion equation
1,717,175.62 : 2,576,198.40 = 1,212,722.20 : x - Step 2: Convert to fraction form
1,717,175.62/2,576,198.40 = 1,212,722.20/x - Step 3: Cross multiply
1,717,175.62x = 2,576,198.40 × 1,212,722.20 - Step 4: Simplify right side
1,717,175.62x = 3,124,212,991,284.48 - Step 5: Solve for x
x = 3,124,212,991,284.48/1,717,175.62 - Step 6: Final answer
x = 1,819,390.49
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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.