Finding the Fourth Proportional to 3,992,346.10, 5,509,431.71 and 2,273,466.97
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Solution
The fourth proportional to 3,992,346.10, 5,509,431.71 and 2,273,466.97 is: 3,137,381.05
Step by Step Solution
- Step 1: Write the proportion equation
3,992,346.10 : 5,509,431.71 = 2,273,466.97 : x - Step 2: Convert to fraction form
3,992,346.10/5,509,431.71 = 2,273,466.97/x - Step 3: Cross multiply
3,992,346.10x = 5,509,431.71 × 2,273,466.97 - Step 4: Simplify right side
3,992,346.10x = 12,525,511,004,788.29 - Step 5: Solve for x
x = 12,525,511,004,788.29/3,992,346.10 - Step 6: Final answer
x = 3,137,381.05
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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.