Finding the Fourth Proportional to 1,675,458.97, 2,511,438.54 and 821,347.99
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Solution
The fourth proportional to 1,675,458.97, 2,511,438.54 and 821,347.99 is: 1,231,164.14
Step by Step Solution
- Step 1: Write the proportion equation
1,675,458.97 : 2,511,438.54 = 821,347.99 : x - Step 2: Convert to fraction form
1,675,458.97/2,511,438.54 = 821,347.99/x - Step 3: Cross multiply
1,675,458.97x = 2,511,438.54 × 821,347.99 - Step 4: Simplify right side
1,675,458.97x = 2,062,764,996,837.53 - Step 5: Solve for x
x = 2,062,764,996,837.53/1,675,458.97 - Step 6: Final answer
x = 1,231,164.14
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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.