Finding the Fourth Proportional to 4,994,637.20, 6,892,617.52 and 2,702,797.68
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Solution
The fourth proportional to 4,994,637.20, 6,892,617.52 and 2,702,797.68 is: 3,729,870.64
Step by Step Solution
- Step 1: Write the proportion equation
4,994,637.20 : 6,892,617.52 = 2,702,797.68 : x - Step 2: Convert to fraction form
4,994,637.20/6,892,617.52 = 2,702,797.68/x - Step 3: Cross multiply
4,994,637.20x = 6,892,617.52 × 2,702,797.68 - Step 4: Simplify right side
4,994,637.20x = 18,629,350,642,183.36 - Step 5: Solve for x
x = 18,629,350,642,183.36/4,994,637.20 - Step 6: Final answer
x = 3,729,870.64
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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.