Finding the Fourth Proportional to 5,728,936.14, 7,906,028.22 and 3,281,761.17
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Solution
The fourth proportional to 5,728,936.14, 7,906,028.22 and 3,281,761.17 is: 4,528,885.61
Step by Step Solution
- Step 1: Write the proportion equation
5,728,936.14 : 7,906,028.22 = 3,281,761.17 : x - Step 2: Convert to fraction form
5,728,936.14/7,906,028.22 = 3,281,761.17/x - Step 3: Cross multiply
5,728,936.14x = 7,906,028.22 × 3,281,761.17 - Step 4: Simplify right side
5,728,936.14x = 25,945,696,421,320.21 - Step 5: Solve for x
x = 25,945,696,421,320.21/5,728,936.14 - Step 6: Final answer
x = 4,528,885.61
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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.