Finding the Fourth Proportional to 2,297,446.23, 3,170,423.23 and 1,438,480.11
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Solution
The fourth proportional to 2,297,446.23, 3,170,423.23 and 1,438,480.11 is: 1,985,069.64
Step by Step Solution
- Step 1: Write the proportion equation
2,297,446.23 : 3,170,423.23 = 1,438,480.11 : x - Step 2: Convert to fraction form
2,297,446.23/3,170,423.23 = 1,438,480.11/x - Step 3: Cross multiply
2,297,446.23x = 3,170,423.23 × 1,438,480.11 - Step 4: Simplify right side
2,297,446.23x = 4,560,590,756,636.96 - Step 5: Solve for x
x = 4,560,590,756,636.96/2,297,446.23 - Step 6: Final answer
x = 1,985,069.64
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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.