Finding the Fourth Proportional to 2,170,493.38, 3,253,903.08 and 821,912.68
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Solution
The fourth proportional to 2,170,493.38, 3,253,903.08 and 821,912.68 is: 1,232,173.40
Step by Step Solution
- Step 1: Write the proportion equation
2,170,493.38 : 3,253,903.08 = 821,912.68 : x - Step 2: Convert to fraction form
2,170,493.38/3,253,903.08 = 821,912.68/x - Step 3: Cross multiply
2,170,493.38x = 3,253,903.08 × 821,912.68 - Step 4: Simplify right side
2,170,493.38x = 2,674,424,200,943.05 - Step 5: Solve for x
x = 2,674,424,200,943.05/2,170,493.38 - Step 6: Final answer
x = 1,232,173.40
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.