Finding the Fourth Proportional to 3,819,161.67, 5,270,337.97 and 2,100,282.18
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Solution
The fourth proportional to 3,819,161.67, 5,270,337.97 and 2,100,282.18 is: 2,898,331.59
Step by Step Solution
- Step 1: Write the proportion equation
3,819,161.67 : 5,270,337.97 = 2,100,282.18 : x - Step 2: Convert to fraction form
3,819,161.67/5,270,337.97 = 2,100,282.18/x - Step 3: Cross multiply
3,819,161.67x = 5,270,337.97 × 2,100,282.18 - Step 4: Simplify right side
3,819,161.67x = 11,069,196,920,968.38 - Step 5: Solve for x
x = 11,069,196,920,968.38/3,819,161.67 - Step 6: Final answer
x = 2,898,331.59
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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.