Finding the Fourth Proportional to 4,612,880.40, 6,365,736.92 and 2,519,724.56
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Solution
The fourth proportional to 4,612,880.40, 6,365,736.92 and 2,519,724.56 is: 3,477,199.12
Step by Step Solution
- Step 1: Write the proportion equation
4,612,880.40 : 6,365,736.92 = 2,519,724.56 : x - Step 2: Convert to fraction form
4,612,880.40/6,365,736.92 = 2,519,724.56/x - Step 3: Cross multiply
4,612,880.40x = 6,365,736.92 × 2,519,724.56 - Step 4: Simplify right side
4,612,880.40x = 16,039,903,659,822.76 - Step 5: Solve for x
x = 16,039,903,659,822.76/4,612,880.40 - Step 6: Final answer
x = 3,477,199.12
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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.