Finding the Fourth Proportional to 5,440,206.53, 7,507,188.46 and 2,992,422.41
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Solution
The fourth proportional to 5,440,206.53, 7,507,188.46 and 2,992,422.41 is: 4,129,379.81
Step by Step Solution
- Step 1: Write the proportion equation
5,440,206.53 : 7,507,188.46 = 2,992,422.41 : x - Step 2: Convert to fraction form
5,440,206.53/7,507,188.46 = 2,992,422.41/x - Step 3: Cross multiply
5,440,206.53x = 7,507,188.46 × 2,992,422.41 - Step 4: Simplify right side
5,440,206.53x = 22,464,678,983,797.39 - Step 5: Solve for x
x = 22,464,678,983,797.39/5,440,206.53 - Step 6: Final answer
x = 4,129,379.81
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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.