Finding the Fourth Proportional to 3,926,087.98, 5,418,009.84 and 2,207,222.62
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Solution
The fourth proportional to 3,926,087.98, 5,418,009.84 and 2,207,222.62 is: 3,045,971.95
Step by Step Solution
- Step 1: Write the proportion equation
3,926,087.98 : 5,418,009.84 = 2,207,222.62 : x - Step 2: Convert to fraction form
3,926,087.98/5,418,009.84 = 2,207,222.62/x - Step 3: Cross multiply
3,926,087.98x = 5,418,009.84 × 2,207,222.62 - Step 4: Simplify right side
3,926,087.98x = 11,958,753,874,230.58 - Step 5: Solve for x
x = 11,958,753,874,230.58/3,926,087.98 - Step 6: Final answer
x = 3,045,971.95
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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.