Finding the Fourth Proportional to 5,515,758.40, 7,605,469.92 and 3,883,643.68
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Solution
The fourth proportional to 5,515,758.40, 7,605,469.92 and 3,883,643.68 is: 5,355,008.88
Step by Step Solution
- Step 1: Write the proportion equation
5,515,758.40 : 7,605,469.92 = 3,883,643.68 : x - Step 2: Convert to fraction form
5,515,758.40/7,605,469.92 = 3,883,643.68/x - Step 3: Cross multiply
5,515,758.40x = 7,605,469.92 × 3,883,643.68 - Step 4: Simplify right side
5,515,758.40x = 29,536,935,188,238.11 - Step 5: Solve for x
x = 29,536,935,188,238.11/5,515,758.40 - Step 6: Final answer
x = 5,355,008.88
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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.