Finding the Fourth Proportional to 3,255,378.92, 4,492,476.60 and 1,805,135.48
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Solution
The fourth proportional to 3,255,378.92, 4,492,476.60 and 1,805,135.48 is: 2,491,116.73
Step by Step Solution
- Step 1: Write the proportion equation
3,255,378.92 : 4,492,476.60 = 1,805,135.48 : x - Step 2: Convert to fraction form
3,255,378.92/4,492,476.60 = 1,805,135.48/x - Step 3: Cross multiply
3,255,378.92x = 4,492,476.60 × 1,805,135.48 - Step 4: Simplify right side
3,255,378.92x = 8,109,528,903,729.77 - Step 5: Solve for x
x = 8,109,528,903,729.77/3,255,378.92 - Step 6: Final answer
x = 2,491,116.73
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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.