Finding the Fourth Proportional to 1,841,728.39, 2,760,497.68 and 1,120,480.21
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Solution
The fourth proportional to 1,841,728.39, 2,760,497.68 and 1,120,480.21 is: 1,679,445.80
Step by Step Solution
- Step 1: Write the proportion equation
1,841,728.39 : 2,760,497.68 = 1,120,480.21 : x - Step 2: Convert to fraction form
1,841,728.39/2,760,497.68 = 1,120,480.21/x - Step 3: Cross multiply
1,841,728.39x = 2,760,497.68 × 1,120,480.21 - Step 4: Simplify right side
1,841,728.39x = 3,093,083,010,488.47 - Step 5: Solve for x
x = 3,093,083,010,488.47/1,841,728.39 - Step 6: Final answer
x = 1,679,445.80
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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.