Finding the Fourth Proportional to 2,661,511.15, 3,992,966.97 and 1,382,203.63
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Solution
The fourth proportional to 2,661,511.15, 3,992,966.97 and 1,382,203.63 is: 2,073,669.10
Step by Step Solution
- Step 1: Write the proportion equation
2,661,511.15 : 3,992,966.97 = 1,382,203.63 : x - Step 2: Convert to fraction form
2,661,511.15/3,992,966.97 = 1,382,203.63/x - Step 3: Cross multiply
2,661,511.15x = 3,992,966.97 × 1,382,203.63 - Step 4: Simplify right side
2,661,511.15x = 5,519,093,440,404.10 - Step 5: Solve for x
x = 5,519,093,440,404.10/2,661,511.15 - Step 6: Final answer
x = 2,073,669.10
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.