Finding the Fourth Proportional to 4,855,914.55, 6,701,163.42 and 2,680,459.12
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Solution
The fourth proportional to 4,855,914.55, 6,701,163.42 and 2,680,459.12 is: 3,699,034.33
Step by Step Solution
- Step 1: Write the proportion equation
4,855,914.55 : 6,701,163.42 = 2,680,459.12 : x - Step 2: Convert to fraction form
4,855,914.55/6,701,163.42 = 2,680,459.12/x - Step 3: Cross multiply
4,855,914.55x = 6,701,163.42 × 2,680,459.12 - Step 4: Simplify right side
4,855,914.55x = 17,962,194,603,749.39 - Step 5: Solve for x
x = 17,962,194,603,749.39/4,855,914.55 - Step 6: Final answer
x = 3,699,034.33
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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.