Finding the Fourth Proportional to 1,912,176.05, 2,638,702.78 and 1,052,568.41
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Solution
The fourth proportional to 1,912,176.05, 2,638,702.78 and 1,052,568.41 is: 1,452,489.26
Step by Step Solution
- Step 1: Write the proportion equation
1,912,176.05 : 2,638,702.78 = 1,052,568.41 : x - Step 2: Convert to fraction form
1,912,176.05/2,638,702.78 = 1,052,568.41/x - Step 3: Cross multiply
1,912,176.05x = 2,638,702.78 × 1,052,568.41 - Step 4: Simplify right side
1,912,176.05x = 2,777,415,173,782.24 - Step 5: Solve for x
x = 2,777,415,173,782.24/1,912,176.05 - Step 6: Final answer
x = 1,452,489.26
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.