Finding the Fourth Proportional to 3,631,889.32, 5,447,819.32 and 1,107,537.28
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Solution
The fourth proportional to 3,631,889.32, 5,447,819.32 and 1,107,537.28 is: 1,661,301.45
Step by Step Solution
- Step 1: Write the proportion equation
3,631,889.32 : 5,447,819.32 = 1,107,537.28 : x - Step 2: Convert to fraction form
3,631,889.32/5,447,819.32 = 1,107,537.28/x - Step 3: Cross multiply
3,631,889.32x = 5,447,819.32 × 1,107,537.28 - Step 4: Simplify right side
3,631,889.32x = 6,033,662,991,604.25 - Step 5: Solve for x
x = 6,033,662,991,604.25/3,631,889.32 - Step 6: Final answer
x = 1,661,301.45
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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.