Finding the Fourth Proportional to 2,628,979.10, 3,629,912.67 and 1,699,236.82
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Solution
The fourth proportional to 2,628,979.10, 3,629,912.67 and 1,699,236.82 is: 2,346,188.78
Step by Step Solution
- Step 1: Write the proportion equation
2,628,979.10 : 3,629,912.67 = 1,699,236.82 : x - Step 2: Convert to fraction form
2,628,979.10/3,629,912.67 = 1,699,236.82/x - Step 3: Cross multiply
2,628,979.10x = 3,629,912.67 × 1,699,236.82 - Step 4: Simplify right side
2,628,979.10x = 6,168,081,266,785.90 - Step 5: Solve for x
x = 6,168,081,266,785.90/2,628,979.10 - Step 6: Final answer
x = 2,346,188.78
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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.