Finding the Fourth Proportional to 4,966,818.13, 6,854,777.17 and 2,761,900.79
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Solution
The fourth proportional to 4,966,818.13, 6,854,777.17 and 2,761,900.79 is: 3,811,739.02
Step by Step Solution
- Step 1: Write the proportion equation
4,966,818.13 : 6,854,777.17 = 2,761,900.79 : x - Step 2: Convert to fraction form
4,966,818.13/6,854,777.17 = 2,761,900.79/x - Step 3: Cross multiply
4,966,818.13x = 6,854,777.17 × 2,761,900.79 - Step 4: Simplify right side
4,966,818.13x = 18,932,214,481,096.96 - Step 5: Solve for x
x = 18,932,214,481,096.96/4,966,818.13 - Step 6: Final answer
x = 3,811,739.02
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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.