Finding the Fourth Proportional to 2,257,352.44, 3,115,236.22 and 1,238,793.64
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Solution
The fourth proportional to 2,257,352.44, 3,115,236.22 and 1,238,793.64 is: 1,709,584.53
Step by Step Solution
- Step 1: Write the proportion equation
2,257,352.44 : 3,115,236.22 = 1,238,793.64 : x - Step 2: Convert to fraction form
2,257,352.44/3,115,236.22 = 1,238,793.64/x - Step 3: Cross multiply
2,257,352.44x = 3,115,236.22 × 1,238,793.64 - Step 4: Simplify right side
2,257,352.44x = 3,859,134,816,433.64 - Step 5: Solve for x
x = 3,859,134,816,433.64/2,257,352.44 - Step 6: Final answer
x = 1,709,584.53
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1.5x scale
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.