Finding the Fourth Proportional to 2,384,923.20, 3,291,217.76 and 1,297,220.08
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Solution
The fourth proportional to 2,384,923.20, 3,291,217.76 and 1,297,220.08 is: 1,790,176.63
Step by Step Solution
- Step 1: Write the proportion equation
2,384,923.20 : 3,291,217.76 = 1,297,220.08 : x - Step 2: Convert to fraction form
2,384,923.20/3,291,217.76 = 1,297,220.08/x - Step 3: Cross multiply
2,384,923.20x = 3,291,217.76 × 1,297,220.08 - Step 4: Simplify right side
2,384,923.20x = 4,269,433,765,924.62 - Step 5: Solve for x
x = 4,269,433,765,924.62/2,384,923.20 - Step 6: Final answer
x = 1,790,176.63
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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.