Finding the Fourth Proportional to 1,489,183.68, 2,055,063.68 and 810,122.88
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Solution
The fourth proportional to 1,489,183.68, 2,055,063.68 and 810,122.88 is: 1,117,964.24
Step by Step Solution
- Step 1: Write the proportion equation
1,489,183.68 : 2,055,063.68 = 810,122.88 : x - Step 2: Convert to fraction form
1,489,183.68/2,055,063.68 = 810,122.88/x - Step 3: Cross multiply
1,489,183.68x = 2,055,063.68 × 810,122.88 - Step 4: Simplify right side
1,489,183.68x = 1,664,854,107,025.00 - Step 5: Solve for x
x = 1,664,854,107,025.00/1,489,183.68 - Step 6: Final answer
x = 1,117,964.24
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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.