Finding the Fourth Proportional to 6,990,570.36, 10,486,229.24 and 2,198,633.28
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Solution
The fourth proportional to 6,990,570.36, 10,486,229.24 and 2,198,633.28 is: 3,298,067.45
Step by Step Solution
- Step 1: Write the proportion equation
6,990,570.36 : 10,486,229.24 = 2,198,633.28 : x - Step 2: Convert to fraction form
6,990,570.36/10,486,229.24 = 2,198,633.28/x - Step 3: Cross multiply
6,990,570.36x = 10,486,229.24 × 2,198,633.28 - Step 4: Simplify right side
6,990,570.36x = 23,055,372,588,773.11 - Step 5: Solve for x
x = 23,055,372,588,773.11/6,990,570.36 - Step 6: Final answer
x = 3,298,067.45
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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.