Finding the Fourth Proportional to 3,751,364.61, 5,176,815.62 and 2,119,736.86
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Solution
The fourth proportional to 3,751,364.61, 5,176,815.62 and 2,119,736.86 is: 2,925,198.70
Step by Step Solution
- Step 1: Write the proportion equation
3,751,364.61 : 5,176,815.62 = 2,119,736.86 : x - Step 2: Convert to fraction form
3,751,364.61/5,176,815.62 = 2,119,736.86/x - Step 3: Cross multiply
3,751,364.61x = 5,176,815.62 × 2,119,736.86 - Step 4: Simplify right side
3,751,364.61x = 10,973,486,883,010.09 - Step 5: Solve for x
x = 10,973,486,883,010.09/3,751,364.61 - Step 6: Final answer
x = 2,925,198.70
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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.