Finding the Fourth Proportional to 2,168,907.84, 2,993,093.09 and 1,202,100.54
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Solution
The fourth proportional to 2,168,907.84, 2,993,093.09 and 1,202,100.54 is: 1,658,898.90
Step by Step Solution
- Step 1: Write the proportion equation
2,168,907.84 : 2,993,093.09 = 1,202,100.54 : x - Step 2: Convert to fraction form
2,168,907.84/2,993,093.09 = 1,202,100.54/x - Step 3: Cross multiply
2,168,907.84x = 2,993,093.09 × 1,202,100.54 - Step 4: Simplify right side
2,168,907.84x = 3,597,998,819,759.27 - Step 5: Solve for x
x = 3,597,998,819,759.27/2,168,907.84 - Step 6: Final answer
x = 1,658,898.90
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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.