Finding the Fourth Proportional to 2,632,537.20, 3,634,589.70 and 2,150,259.96
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Solution
The fourth proportional to 2,632,537.20, 3,634,589.70 and 2,150,259.96 is: 2,968,737.80
Step by Step Solution
- Step 1: Write the proportion equation
2,632,537.20 : 3,634,589.70 = 2,150,259.96 : x - Step 2: Convert to fraction form
2,632,537.20/3,634,589.70 = 2,150,259.96/x - Step 3: Cross multiply
2,632,537.20x = 3,634,589.70 × 2,150,259.96 - Step 4: Simplify right side
2,632,537.20x = 7,815,312,702,938.41 - Step 5: Solve for x
x = 7,815,312,702,938.41/2,632,537.20 - Step 6: Final answer
x = 2,968,737.80
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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.