Finding the Fourth Proportional to 4,245,752.76, 5,858,984.12 and 2,311,970.92
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Solution
The fourth proportional to 4,245,752.76, 5,858,984.12 and 2,311,970.92 is: 3,190,435.64
Step by Step Solution
- Step 1: Write the proportion equation
4,245,752.76 : 5,858,984.12 = 2,311,970.92 : x - Step 2: Convert to fraction form
4,245,752.76/5,858,984.12 = 2,311,970.92/x - Step 3: Cross multiply
4,245,752.76x = 5,858,984.12 × 2,311,970.92 - Step 4: Simplify right side
4,245,752.76x = 13,545,800,906,181.79 - Step 5: Solve for x
x = 13,545,800,906,181.79/4,245,752.76 - Step 6: Final answer
x = 3,190,435.64
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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.