Finding the Fourth Proportional to 5,262,299.62, 7,261,973.85 and 2,847,851.62
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Solution
The fourth proportional to 5,262,299.62, 7,261,973.85 and 2,847,851.62 is: 3,930,035.44
Step by Step Solution
- Step 1: Write the proportion equation
5,262,299.62 : 7,261,973.85 = 2,847,851.62 : x - Step 2: Convert to fraction form
5,262,299.62/7,261,973.85 = 2,847,851.62/x - Step 3: Cross multiply
5,262,299.62x = 7,261,973.85 × 2,847,851.62 - Step 4: Simplify right side
5,262,299.62x = 20,681,023,993,120.14 - Step 5: Solve for x
x = 20,681,023,993,120.14/5,262,299.62 - Step 6: Final answer
x = 3,930,035.44
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1.5x scale
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.