Finding the Fourth Proportional to 3,967,919.48, 5,476,235.39 and 2,336,478.63
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Solution
The fourth proportional to 3,967,919.48, 5,476,235.39 and 2,336,478.63 is: 3,224,638.76
Step by Step Solution
- Step 1: Write the proportion equation
3,967,919.48 : 5,476,235.39 = 2,336,478.63 : x - Step 2: Convert to fraction form
3,967,919.48/5,476,235.39 = 2,336,478.63/x - Step 3: Cross multiply
3,967,919.48x = 5,476,235.39 × 2,336,478.63 - Step 4: Simplify right side
3,967,919.48x = 12,795,106,949,902.32 - Step 5: Solve for x
x = 12,795,106,949,902.32/3,967,919.48 - Step 6: Final answer
x = 3,224,638.76
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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.