Finding the Fourth Proportional to 3,783,531.26, 5,221,383.41 and 2,064,762.49
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Solution
The fourth proportional to 3,783,531.26, 5,221,383.41 and 2,064,762.49 is: 2,849,432.41
Step by Step Solution
- Step 1: Write the proportion equation
3,783,531.26 : 5,221,383.41 = 2,064,762.49 : x - Step 2: Convert to fraction form
3,783,531.26/5,221,383.41 = 2,064,762.49/x - Step 3: Cross multiply
3,783,531.26x = 5,221,383.41 × 2,064,762.49 - Step 4: Simplify right side
3,783,531.26x = 10,780,916,610,876.29 - Step 5: Solve for x
x = 10,780,916,610,876.29/3,783,531.26 - Step 6: Final answer
x = 2,849,432.41
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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.