Finding the Fourth Proportional to 3,879,440.97, 5,353,626.66 and 2,248,793.32
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Solution
The fourth proportional to 3,879,440.97, 5,353,626.66 and 2,248,793.32 is: 3,103,333.69
Step by Step Solution
- Step 1: Write the proportion equation
3,879,440.97 : 5,353,626.66 = 2,248,793.32 : x - Step 2: Convert to fraction form
3,879,440.97/5,353,626.66 = 2,248,793.32/x - Step 3: Cross multiply
3,879,440.97x = 5,353,626.66 × 2,248,793.32 - Step 4: Simplify right side
3,879,440.97x = 12,039,199,844,013.78 - Step 5: Solve for x
x = 12,039,199,844,013.78/3,879,440.97 - Step 6: Final answer
x = 3,103,333.69
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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.