Finding the Fourth Proportional to 2,429,987.22, 3,324,239.94 and 2,419,752.06
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Solution
The fourth proportional to 2,429,987.22, 3,324,239.94 and 2,419,752.06 is: 3,310,238.17
Step by Step Solution
- Step 1: Write the proportion equation
2,429,987.22 : 3,324,239.94 = 2,419,752.06 : x - Step 2: Convert to fraction form
2,429,987.22/3,324,239.94 = 2,419,752.06/x - Step 3: Cross multiply
2,429,987.22x = 3,324,239.94 × 2,419,752.06 - Step 4: Simplify right side
2,429,987.22x = 8,043,836,442,749.28 - Step 5: Solve for x
x = 8,043,836,442,749.28/2,429,987.22 - Step 6: Final answer
x = 3,310,238.17
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.