Finding the Fourth Proportional to 5,627,920.76, 8,441,818.86 and 1,368,093.09
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Solution
The fourth proportional to 5,627,920.76, 8,441,818.86 and 1,368,093.09 is: 2,052,124.50
Step by Step Solution
- Step 1: Write the proportion equation
5,627,920.76 : 8,441,818.86 = 1,368,093.09 : x - Step 2: Convert to fraction form
5,627,920.76/8,441,818.86 = 1,368,093.09/x - Step 3: Cross multiply
5,627,920.76x = 8,441,818.86 × 1,368,093.09 - Step 4: Simplify right side
5,627,920.76x = 11,549,194,049,397.68 - Step 5: Solve for x
x = 11,549,194,049,397.68/5,627,920.76 - Step 6: Final answer
x = 2,052,124.50
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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.