Finding the Fourth Proportional to 3,811,878.63, 5,260,477.37 and 2,093,005.98
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Solution
The fourth proportional to 3,811,878.63, 5,260,477.37 and 2,093,005.98 is: 2,888,394.84
Step by Step Solution
- Step 1: Write the proportion equation
3,811,878.63 : 5,260,477.37 = 2,093,005.98 : x - Step 2: Convert to fraction form
3,811,878.63/5,260,477.37 = 2,093,005.98/x - Step 3: Cross multiply
3,811,878.63x = 5,260,477.37 × 2,093,005.98 - Step 4: Simplify right side
3,811,878.63x = 11,010,210,582,599.64 - Step 5: Solve for x
x = 11,010,210,582,599.64/3,811,878.63 - Step 6: Final answer
x = 2,888,394.84
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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.