Finding the Fourth Proportional to 1,798,428.19, 2,481,799.42 and 982,611.58
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Solution
The fourth proportional to 1,798,428.19, 2,481,799.42 and 982,611.58 is: 1,355,986.78
Step by Step Solution
- Step 1: Write the proportion equation
1,798,428.19 : 2,481,799.42 = 982,611.58 : x - Step 2: Convert to fraction form
1,798,428.19/2,481,799.42 = 982,611.58/x - Step 3: Cross multiply
1,798,428.19x = 2,481,799.42 × 982,611.58 - Step 4: Simplify right side
1,798,428.19x = 2,438,644,849,329.28 - Step 5: Solve for x
x = 2,438,644,849,329.28/1,798,428.19 - Step 6: Final answer
x = 1,355,986.78
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.