Finding the Fourth Proportional to 1,589,919.87, 2,383,436.68 and 578,326.84
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Solution
The fourth proportional to 1,589,919.87, 2,383,436.68 and 578,326.84 is: 866,965.32
Step by Step Solution
- Step 1: Write the proportion equation
1,589,919.87 : 2,383,436.68 = 578,326.84 : x - Step 2: Convert to fraction form
1,589,919.87/2,383,436.68 = 578,326.84/x - Step 3: Cross multiply
1,589,919.87x = 2,383,436.68 × 578,326.84 - Step 4: Simplify right side
1,589,919.87x = 1,378,405,396,080.08 - Step 5: Solve for x
x = 1,378,405,396,080.08/1,589,919.87 - Step 6: Final answer
x = 866,965.32
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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.