Finding the Fourth Proportional to 3,972,268.12, 5,481,836.58 and 2,253,646.84
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Solution
The fourth proportional to 3,972,268.12, 5,481,836.58 and 2,253,646.84 is: 3,110,093.10
Step by Step Solution
- Step 1: Write the proportion equation
3,972,268.12 : 5,481,836.58 = 2,253,646.84 : x - Step 2: Convert to fraction form
3,972,268.12/5,481,836.58 = 2,253,646.84/x - Step 3: Cross multiply
3,972,268.12x = 5,481,836.58 × 2,253,646.84 - Step 4: Simplify right side
3,972,268.12x = 12,354,123,685,913.41 - Step 5: Solve for x
x = 12,354,123,685,913.41/3,972,268.12 - Step 6: Final answer
x = 3,110,093.10
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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.