Finding the Fourth Proportional to 5,819,912.76, 8,030,656.80 and 3,305,201.88
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Solution
The fourth proportional to 5,819,912.76, 8,030,656.80 and 3,305,201.88 is: 4,560,711.31
Step by Step Solution
- Step 1: Write the proportion equation
5,819,912.76 : 8,030,656.80 = 3,305,201.88 : x - Step 2: Convert to fraction form
5,819,912.76/8,030,656.80 = 3,305,201.88/x - Step 3: Cross multiply
5,819,912.76x = 8,030,656.80 × 3,305,201.88 - Step 4: Simplify right side
5,819,912.76x = 26,542,941,952,994.78 - Step 5: Solve for x
x = 26,542,941,952,994.78/5,819,912.76 - Step 6: Final answer
x = 4,560,711.31
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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.