Finding the Fourth Proportional to 6,354,258.06, 8,768,964.88 and 3,453,648.06
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Solution
The fourth proportional to 6,354,258.06, 8,768,964.88 and 3,453,648.06 is: 4,766,082.56
Step by Step Solution
- Step 1: Write the proportion equation
6,354,258.06 : 8,768,964.88 = 3,453,648.06 : x - Step 2: Convert to fraction form
6,354,258.06/8,768,964.88 = 3,453,648.06/x - Step 3: Cross multiply
6,354,258.06x = 8,768,964.88 × 3,453,648.06 - Step 4: Simplify right side
6,354,258.06x = 30,284,918,546,020.14 - Step 5: Solve for x
x = 30,284,918,546,020.14/6,354,258.06 - Step 6: Final answer
x = 4,766,082.56
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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.