Finding the Fourth Proportional to 3,680,493.05, 5,505,362.29 and 2,586,201.21
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Solution
The fourth proportional to 3,680,493.05, 5,505,362.29 and 2,586,201.21 is: 3,868,496.53
Step by Step Solution
- Step 1: Write the proportion equation
3,680,493.05 : 5,505,362.29 = 2,586,201.21 : x - Step 2: Convert to fraction form
3,680,493.05/5,505,362.29 = 2,586,201.21/x - Step 3: Cross multiply
3,680,493.05x = 5,505,362.29 × 2,586,201.21 - Step 4: Simplify right side
3,680,493.05x = 14,237,974,619,119.12 - Step 5: Solve for x
x = 14,237,974,619,119.12/3,680,493.05 - Step 6: Final answer
x = 3,868,496.53
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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.