Finding the Fourth Proportional to 3,837,052.12, 5,295,228.20 and 2,183,108.06
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Solution
The fourth proportional to 3,837,052.12, 5,295,228.20 and 2,183,108.06 is: 3,012,743.90
Step by Step Solution
- Step 1: Write the proportion equation
3,837,052.12 : 5,295,228.20 = 2,183,108.06 : x - Step 2: Convert to fraction form
3,837,052.12/5,295,228.20 = 2,183,108.06/x - Step 3: Cross multiply
3,837,052.12x = 5,295,228.20 × 2,183,108.06 - Step 4: Simplify right side
3,837,052.12x = 11,560,055,341,940.92 - Step 5: Solve for x
x = 11,560,055,341,940.92/3,837,052.12 - Step 6: Final answer
x = 3,012,743.90
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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.