Finding the Fourth Proportional to 1,804,190.13, 2,489,782.16 and 1,079,037.74
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Solution
The fourth proportional to 1,804,190.13, 2,489,782.16 and 1,079,037.74 is: 1,489,071.94
Step by Step Solution
- Step 1: Write the proportion equation
1,804,190.13 : 2,489,782.16 = 1,079,037.74 : x - Step 2: Convert to fraction form
1,804,190.13/2,489,782.16 = 1,079,037.74/x - Step 3: Cross multiply
1,804,190.13x = 2,489,782.16 × 1,079,037.74 - Step 4: Simplify right side
1,804,190.13x = 2,686,568,897,174.62 - Step 5: Solve for x
x = 2,686,568,897,174.62/1,804,190.13 - Step 6: Final answer
x = 1,489,071.94
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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.