Finding the Fourth Proportional to 3,144,135.24, 4,338,620.31 and 1,819,329.97
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Solution
The fourth proportional to 3,144,135.24, 4,338,620.31 and 1,819,329.97 is: 2,510,509.68
Step by Step Solution
- Step 1: Write the proportion equation
3,144,135.24 : 4,338,620.31 = 1,819,329.97 : x - Step 2: Convert to fraction form
3,144,135.24/4,338,620.31 = 1,819,329.97/x - Step 3: Cross multiply
3,144,135.24x = 4,338,620.31 × 1,819,329.97 - Step 4: Simplify right side
3,144,135.24x = 7,893,381,958,433.69 - Step 5: Solve for x
x = 7,893,381,958,433.69/3,144,135.24 - Step 6: Final answer
x = 2,510,509.68
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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.