Finding the Fourth Proportional to 1,428,757.68, 2,143,736.28 and 889,464.99
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Solution
The fourth proportional to 1,428,757.68, 2,143,736.28 and 889,464.99 is: 1,334,570.86
Step by Step Solution
- Step 1: Write the proportion equation
1,428,757.68 : 2,143,736.28 = 889,464.99 : x - Step 2: Convert to fraction form
1,428,757.68/2,143,736.28 = 889,464.99/x - Step 3: Cross multiply
1,428,757.68x = 2,143,736.28 × 889,464.99 - Step 4: Simplify right side
1,428,757.68x = 1,906,778,368,852.84 - Step 5: Solve for x
x = 1,906,778,368,852.84/1,428,757.68 - Step 6: Final answer
x = 1,334,570.86
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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.