Finding the Fourth Proportional to 2,089,247.67, 3,133,872.54 and 1,379,109.74
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Solution
The fourth proportional to 2,089,247.67, 3,133,872.54 and 1,379,109.74 is: 2,068,665.29
Step by Step Solution
- Step 1: Write the proportion equation
2,089,247.67 : 3,133,872.54 = 1,379,109.74 : x - Step 2: Convert to fraction form
2,089,247.67/3,133,872.54 = 1,379,109.74/x - Step 3: Cross multiply
2,089,247.67x = 3,133,872.54 × 1,379,109.74 - Step 4: Simplify right side
2,089,247.67x = 4,321,954,128,163.18 - Step 5: Solve for x
x = 4,321,954,128,163.18/2,089,247.67 - Step 6: Final answer
x = 2,068,665.29
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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.