Finding the Fourth Proportional to 1,890,910.44, 2,836,390.34 and 628,738.06
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Solution
The fourth proportional to 1,890,910.44, 2,836,390.34 and 628,738.06 is: 943,115.30
Step by Step Solution
- Step 1: Write the proportion equation
1,890,910.44 : 2,836,390.34 = 628,738.06 : x - Step 2: Convert to fraction form
1,890,910.44/2,836,390.34 = 628,738.06/x - Step 3: Cross multiply
1,890,910.44x = 2,836,390.34 × 628,738.06 - Step 4: Simplify right side
1,890,910.44x = 1,783,346,563,721.63 - Step 5: Solve for x
x = 1,783,346,563,721.63/1,890,910.44 - Step 6: Final answer
x = 943,115.30
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.