Finding the Fourth Proportional to 1,923,310.66, 2,640,270.13 and 1,650,905.62
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Solution
The fourth proportional to 1,923,310.66, 2,640,270.13 and 1,650,905.62 is: 2,266,319.68
Step by Step Solution
- Step 1: Write the proportion equation
1,923,310.66 : 2,640,270.13 = 1,650,905.62 : x - Step 2: Convert to fraction form
1,923,310.66/2,640,270.13 = 1,650,905.62/x - Step 3: Cross multiply
1,923,310.66x = 2,640,270.13 × 1,650,905.62 - Step 4: Simplify right side
1,923,310.66x = 4,358,836,795,935.13 - Step 5: Solve for x
x = 4,358,836,795,935.13/1,923,310.66 - Step 6: Final answer
x = 2,266,319.68
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.