Finding the Fourth Proportional to 3,526,867.02, 5,285,874.84 and 1,907,571.18
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Solution
The fourth proportional to 3,526,867.02, 5,285,874.84 and 1,907,571.18 is: 2,858,963.05
Step by Step Solution
- Step 1: Write the proportion equation
3,526,867.02 : 5,285,874.84 = 1,907,571.18 : x - Step 2: Convert to fraction form
3,526,867.02/5,285,874.84 = 1,907,571.18/x - Step 3: Cross multiply
3,526,867.02x = 5,285,874.84 × 1,907,571.18 - Step 4: Simplify right side
3,526,867.02x = 10,083,182,505,871.11 - Step 5: Solve for x
x = 10,083,182,505,871.11/3,526,867.02 - Step 6: Final answer
x = 2,858,963.05
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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.