Finding the Fourth Proportional to 5,907,268.80, 8,860,903.20 and 1,419,544.80
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Solution
The fourth proportional to 5,907,268.80, 8,860,903.20 and 1,419,544.80 is: 2,129,317.20
Step by Step Solution
- Step 1: Write the proportion equation
5,907,268.80 : 8,860,903.20 = 1,419,544.80 : x - Step 2: Convert to fraction form
5,907,268.80/8,860,903.20 = 1,419,544.80/x - Step 3: Cross multiply
5,907,268.80x = 8,860,903.20 × 1,419,544.80 - Step 4: Simplify right side
5,907,268.80x = 12,578,449,060,863.36 - Step 5: Solve for x
x = 12,578,449,060,863.36/5,907,268.80 - Step 6: Final answer
x = 2,129,317.20
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.