Finding the Fourth Proportional to 3,244,742.09, 4,476,391.09 and 1,867,756.32
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Solution
The fourth proportional to 3,244,742.09, 4,476,391.09 and 1,867,756.32 is: 2,576,724.90
Step by Step Solution
- Step 1: Write the proportion equation
3,244,742.09 : 4,476,391.09 = 1,867,756.32 : x - Step 2: Convert to fraction form
3,244,742.09/4,476,391.09 = 1,867,756.32/x - Step 3: Cross multiply
3,244,742.09x = 4,476,391.09 × 1,867,756.32 - Step 4: Simplify right side
3,244,742.09x = 8,360,807,744,469.80 - Step 5: Solve for x
x = 8,360,807,744,469.80/3,244,742.09 - Step 6: Final answer
x = 2,576,724.90
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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.