Finding the Fourth Proportional to 4,949,182.40, 7,424,334.36 and 4,440,618.92
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Solution
The fourth proportional to 4,949,182.40, 7,424,334.36 and 4,440,618.92 is: 6,661,431.52
Step by Step Solution
- Step 1: Write the proportion equation
4,949,182.40 : 7,424,334.36 = 4,440,618.92 : x - Step 2: Convert to fraction form
4,949,182.40/7,424,334.36 = 4,440,618.92/x - Step 3: Cross multiply
4,949,182.40x = 7,424,334.36 × 4,440,618.92 - Step 4: Simplify right side
4,949,182.40x = 32,968,639,627,422.09 - Step 5: Solve for x
x = 32,968,639,627,422.09/4,949,182.40 - Step 6: Final answer
x = 6,661,431.52
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.