Finding the Fourth Proportional to 2,589,187.57, 3,574,609.82 and 2,301,912.81
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Solution
The fourth proportional to 2,589,187.57, 3,574,609.82 and 2,301,912.81 is: 3,178,000.79
Step by Step Solution
- Step 1: Write the proportion equation
2,589,187.57 : 3,574,609.82 = 2,301,912.81 : x - Step 2: Convert to fraction form
2,589,187.57/3,574,609.82 = 2,301,912.81/x - Step 3: Cross multiply
2,589,187.57x = 3,574,609.82 × 2,301,912.81 - Step 4: Simplify right side
2,589,187.57x = 8,228,440,135,409.79 - Step 5: Solve for x
x = 8,228,440,135,409.79/2,589,187.57 - Step 6: Final answer
x = 3,178,000.79
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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.