Finding the Fourth Proportional to 2,020,863.44, 2,787,824.74 and 1,367,718.32
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Solution
The fourth proportional to 2,020,863.44, 2,787,824.74 and 1,367,718.32 is: 1,886,796.95
Step by Step Solution
- Step 1: Write the proportion equation
2,020,863.44 : 2,787,824.74 = 1,367,718.32 : x - Step 2: Convert to fraction form
2,020,863.44/2,787,824.74 = 1,367,718.32/x - Step 3: Cross multiply
2,020,863.44x = 2,787,824.74 × 1,367,718.32 - Step 4: Simplify right side
2,020,863.44x = 3,812,958,969,847.24 - Step 5: Solve for x
x = 3,812,958,969,847.24/2,020,863.44 - Step 6: Final answer
x = 1,886,796.95
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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.