Finding the Fourth Proportional to 4,900,717.37, 6,761,998.91 and 2,863,133.21
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Solution
The fourth proportional to 4,900,717.37, 6,761,998.91 and 2,863,133.21 is: 3,950,544.82
Step by Step Solution
- Step 1: Write the proportion equation
4,900,717.37 : 6,761,998.91 = 2,863,133.21 : x - Step 2: Convert to fraction form
4,900,717.37/6,761,998.91 = 2,863,133.21/x - Step 3: Cross multiply
4,900,717.37x = 6,761,998.91 × 2,863,133.21 - Step 4: Simplify right side
4,900,717.37x = 19,360,503,597,079.14 - Step 5: Solve for x
x = 19,360,503,597,079.14/4,900,717.37 - Step 6: Final answer
x = 3,950,544.82
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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.