Finding the Fourth Proportional to 3,564,835.20, 5,344,891.20 and 1,968,163.20
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Solution
The fourth proportional to 3,564,835.20, 5,344,891.20 and 1,968,163.20 is: 2,950,940.95
Step by Step Solution
- Step 1: Write the proportion equation
3,564,835.20 : 5,344,891.20 = 1,968,163.20 : x - Step 2: Convert to fraction form
3,564,835.20/5,344,891.20 = 1,968,163.20/x - Step 3: Cross multiply
3,564,835.20x = 5,344,891.20 × 1,968,163.20 - Step 4: Simplify right side
3,564,835.20x = 10,519,618,167,843.84 - Step 5: Solve for x
x = 10,519,618,167,843.84/3,564,835.20 - Step 6: Final answer
x = 2,950,940.95
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.