Finding the Fourth Proportional to 5,159,964, 7,120,754.90 and 2,836,896.09
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Solution
The fourth proportional to 5,159,964, 7,120,754.90 and 2,836,896.09 is: 3,914,919.12
Step by Step Solution
- Step 1: Write the proportion equation
5,159,964 : 7,120,754.90 = 2,836,896.09 : x - Step 2: Convert to fraction form
5,159,964/7,120,754.90 = 2,836,896.09/x - Step 3: Cross multiply
5,159,964x = 7,120,754.90 × 2,836,896.09 - Step 4: Simplify right side
5,159,964x = 20,200,841,733,658.34 - Step 5: Solve for x
x = 20,200,841,733,658.34/5,159,964 - Step 6: Final answer
x = 3,914,919.12
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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.