Finding the Fourth Proportional to 4,268,618.60, 5,891,201.70 and 2,458,135.40
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Solution
The fourth proportional to 4,268,618.60, 5,891,201.70 and 2,458,135.40 is: 3,392,519.41
Step by Step Solution
- Step 1: Write the proportion equation
4,268,618.60 : 5,891,201.70 = 2,458,135.40 : x - Step 2: Convert to fraction form
4,268,618.60/5,891,201.70 = 2,458,135.40/x - Step 3: Cross multiply
4,268,618.60x = 5,891,201.70 × 2,458,135.40 - Step 4: Simplify right side
4,268,618.60x = 14,481,371,447,310.18 - Step 5: Solve for x
x = 14,481,371,447,310.18/4,268,618.60 - Step 6: Final answer
x = 3,392,519.41
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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.