Finding the Fourth Proportional to 5,194,892.36, 7,168,961.17 and 2,903,053.05
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Solution
The fourth proportional to 5,194,892.36, 7,168,961.17 and 2,903,053.05 is: 4,006,218.64
Step by Step Solution
- Step 1: Write the proportion equation
5,194,892.36 : 7,168,961.17 = 2,903,053.05 : x - Step 2: Convert to fraction form
5,194,892.36/7,168,961.17 = 2,903,053.05/x - Step 3: Cross multiply
5,194,892.36x = 7,168,961.17 × 2,903,053.05 - Step 4: Simplify right side
5,194,892.36x = 20,811,874,589,900.07 - Step 5: Solve for x
x = 20,811,874,589,900.07/5,194,892.36 - Step 6: Final answer
x = 4,006,218.64
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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.