Finding the Fourth Proportional to 3,309,343.57, 4,964,028.32 and 2,187,163.09
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Solution
The fourth proportional to 3,309,343.57, 4,964,028.32 and 2,187,163.09 is: 3,280,753.20
Step by Step Solution
- Step 1: Write the proportion equation
3,309,343.57 : 4,964,028.32 = 2,187,163.09 : x - Step 2: Convert to fraction form
3,309,343.57/4,964,028.32 = 2,187,163.09/x - Step 3: Cross multiply
3,309,343.57x = 4,964,028.32 × 2,187,163.09 - Step 4: Simplify right side
3,309,343.57x = 10,857,139,519,218.71 - Step 5: Solve for x
x = 10,857,139,519,218.71/3,309,343.57 - Step 6: Final answer
x = 3,280,753.20
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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.