Finding the Fourth Proportional to 1,764,969.28, 2,647,716.36 and 818,435.68
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Solution
The fourth proportional to 1,764,969.28, 2,647,716.36 and 818,435.68 is: 1,227,775.22
Step by Step Solution
- Step 1: Write the proportion equation
1,764,969.28 : 2,647,716.36 = 818,435.68 : x - Step 2: Convert to fraction form
1,764,969.28/2,647,716.36 = 818,435.68/x - Step 3: Cross multiply
1,764,969.28x = 2,647,716.36 × 818,435.68 - Step 4: Simplify right side
1,764,969.28x = 2,166,985,539,543.73 - Step 5: Solve for x
x = 2,166,985,539,543.73/1,764,969.28 - Step 6: Final answer
x = 1,227,775.22
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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.