Finding the Fourth Proportional to 3,406,716.42, 4,702,842.91 and 2,100,201.94
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Solution
The fourth proportional to 3,406,716.42, 4,702,842.91 and 2,100,201.94 is: 2,899,249.18
Step by Step Solution
- Step 1: Write the proportion equation
3,406,716.42 : 4,702,842.91 = 2,100,201.94 : x - Step 2: Convert to fraction form
3,406,716.42/4,702,842.91 = 2,100,201.94/x - Step 3: Cross multiply
3,406,716.42x = 4,702,842.91 × 2,100,201.94 - Step 4: Simplify right side
3,406,716.42x = 9,876,919,803,097.25 - Step 5: Solve for x
x = 9,876,919,803,097.25/3,406,716.42 - Step 6: Final answer
x = 2,899,249.18
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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.