Finding the Fourth Proportional to 2,170,191.15, 2,993,135.90 and 1,395,910.94
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Solution
The fourth proportional to 2,170,191.15, 2,993,135.90 and 1,395,910.94 is: 1,925,245.68
Step by Step Solution
- Step 1: Write the proportion equation
2,170,191.15 : 2,993,135.90 = 1,395,910.94 : x - Step 2: Convert to fraction form
2,170,191.15/2,993,135.90 = 1,395,910.94/x - Step 3: Cross multiply
2,170,191.15x = 2,993,135.90 × 1,395,910.94 - Step 4: Simplify right side
2,170,191.15x = 4,178,151,125,771.51 - Step 5: Solve for x
x = 4,178,151,125,771.51/2,170,191.15 - Step 6: Final answer
x = 1,925,245.68
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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.