Finding the Fourth Proportional to 3,214,573.44, 4,435,788.30 and 1,925,380.68
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Solution
The fourth proportional to 3,214,573.44, 4,435,788.30 and 1,925,380.68 is: 2,656,831.85
Step by Step Solution
- Step 1: Write the proportion equation
3,214,573.44 : 4,435,788.30 = 1,925,380.68 : x - Step 2: Convert to fraction form
3,214,573.44/4,435,788.30 = 1,925,380.68/x - Step 3: Cross multiply
3,214,573.44x = 4,435,788.30 × 1,925,380.68 - Step 4: Simplify right side
3,214,573.44x = 8,540,581,093,390.04 - Step 5: Solve for x
x = 8,540,581,093,390.04/3,214,573.44 - Step 6: Final answer
x = 2,656,831.85
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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.