Finding the Fourth Proportional to 1,804,151.74, 2,489,729.25 and 1,078,999.44
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Solution
The fourth proportional to 1,804,151.74, 2,489,729.25 and 1,078,999.44 is: 1,489,019.14
Step by Step Solution
- Step 1: Write the proportion equation
1,804,151.74 : 2,489,729.25 = 1,078,999.44 : x - Step 2: Convert to fraction form
1,804,151.74/2,489,729.25 = 1,078,999.44/x - Step 3: Cross multiply
1,804,151.74x = 2,489,729.25 × 1,078,999.44 - Step 4: Simplify right side
1,804,151.74x = 2,686,416,466,501.62 - Step 5: Solve for x
x = 2,686,416,466,501.62/1,804,151.74 - Step 6: Final answer
x = 1,489,019.14
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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.