Finding the Fourth Proportional to 5,376,582.46, 7,419,661.56 and 2,929,185.99
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Solution
The fourth proportional to 5,376,582.46, 7,419,661.56 and 2,929,185.99 is: 4,042,264.55
Step by Step Solution
- Step 1: Write the proportion equation
5,376,582.46 : 7,419,661.56 = 2,929,185.99 : x - Step 2: Convert to fraction form
5,376,582.46/7,419,661.56 = 2,929,185.99/x - Step 3: Cross multiply
5,376,582.46x = 7,419,661.56 × 2,929,185.99 - Step 4: Simplify right side
5,376,582.46x = 21,733,568,692,093.54 - Step 5: Solve for x
x = 21,733,568,692,093.54/5,376,582.46 - Step 6: Final answer
x = 4,042,264.55
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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.