Finding the Fourth Proportional to 4,159,745.70, 6,268,011.87 and 3,418,198.67
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Solution
The fourth proportional to 4,159,745.70, 6,268,011.87 and 3,418,198.67 is: 5,150,629.71
Step by Step Solution
- Step 1: Write the proportion equation
4,159,745.70 : 6,268,011.87 = 3,418,198.67 : x - Step 2: Convert to fraction form
4,159,745.70/6,268,011.87 = 3,418,198.67/x - Step 3: Cross multiply
4,159,745.70x = 6,268,011.87 × 3,418,198.67 - Step 4: Simplify right side
4,159,745.70x = 21,425,309,806,238.15 - Step 5: Solve for x
x = 21,425,309,806,238.15/4,159,745.70 - Step 6: Final answer
x = 5,150,629.71
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.