Finding the Fourth Proportional to 4,438,738.63, 6,129,690.76 and 4,196,930.14
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Solution
The fourth proportional to 4,438,738.63, 6,129,690.76 and 4,196,930.14 is: 5,795,764.53
Step by Step Solution
- Step 1: Write the proportion equation
4,438,738.63 : 6,129,690.76 = 4,196,930.14 : x - Step 2: Convert to fraction form
4,438,738.63/6,129,690.76 = 4,196,930.14/x - Step 3: Cross multiply
4,438,738.63x = 6,129,690.76 × 4,196,930.14 - Step 4: Simplify right side
4,438,738.63x = 25,725,883,899,523.50 - Step 5: Solve for x
x = 25,725,883,899,523.50/4,438,738.63 - Step 6: Final answer
x = 5,795,764.53
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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.