Finding the Fourth Proportional to 1,511,847.40, 2,264,660.70 and 764,314.60
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Solution
The fourth proportional to 1,511,847.40, 2,264,660.70 and 764,314.60 is: 1,144,899.44
Step by Step Solution
- Step 1: Write the proportion equation
1,511,847.40 : 2,264,660.70 = 764,314.60 : x - Step 2: Convert to fraction form
1,511,847.40/2,264,660.70 = 764,314.60/x - Step 3: Cross multiply
1,511,847.40x = 2,264,660.70 × 764,314.60 - Step 4: Simplify right side
1,511,847.40x = 1,730,913,237,056.22 - Step 5: Solve for x
x = 1,730,913,237,056.22/1,511,847.40 - Step 6: Final answer
x = 1,144,899.44
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.