Finding the Fourth Proportional to 3,255,380.92, 4,492,479.36 and 1,805,137.48
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Solution
The fourth proportional to 3,255,380.92, 4,492,479.36 and 1,805,137.48 is: 2,491,119.49
Step by Step Solution
- Step 1: Write the proportion equation
3,255,380.92 : 4,492,479.36 = 1,805,137.48 : x - Step 2: Convert to fraction form
3,255,380.92/4,492,479.36 = 1,805,137.48/x - Step 3: Cross multiply
3,255,380.92x = 4,492,479.36 × 1,805,137.48 - Step 4: Simplify right side
3,255,380.92x = 8,109,542,870,862.41 - Step 5: Solve for x
x = 8,109,542,870,862.41/3,255,380.92 - Step 6: Final answer
x = 2,491,119.49
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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.