Finding the Fourth Proportional to 2,206,756.19, 3,045,578.67 and 1,289,214.69
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Solution
The fourth proportional to 2,206,756.19, 3,045,578.67 and 1,289,214.69 is: 1,779,265.32
Step by Step Solution
- Step 1: Write the proportion equation
2,206,756.19 : 3,045,578.67 = 1,289,214.69 : x - Step 2: Convert to fraction form
2,206,756.19/3,045,578.67 = 1,289,214.69/x - Step 3: Cross multiply
2,206,756.19x = 3,045,578.67 × 1,289,214.69 - Step 4: Simplify right side
2,206,756.19x = 3,926,404,760,914.66 - Step 5: Solve for x
x = 3,926,404,760,914.66/2,206,756.19 - Step 6: Final answer
x = 1,779,265.32
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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.