Finding the Fourth Proportional to 2,258,736.69, 3,117,121.61 and 1,278,599.97
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Solution
The fourth proportional to 2,258,736.69, 3,117,121.61 and 1,278,599.97 is: 1,764,504.74
Step by Step Solution
- Step 1: Write the proportion equation
2,258,736.69 : 3,117,121.61 = 1,278,599.97 : x - Step 2: Convert to fraction form
2,258,736.69/3,117,121.61 = 1,278,599.97/x - Step 3: Cross multiply
2,258,736.69x = 3,117,121.61 × 1,278,599.97 - Step 4: Simplify right side
2,258,736.69x = 3,985,551,590,639.35 - Step 5: Solve for x
x = 3,985,551,590,639.35/2,258,736.69 - Step 6: Final answer
x = 1,764,504.74
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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.