Finding the Fourth Proportional to 4,937,491.36, 6,813,416.40 and 2,761,657.12
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Solution
The fourth proportional to 4,937,491.36, 6,813,416.40 and 2,761,657.12 is: 3,810,906.90
Step by Step Solution
- Step 1: Write the proportion equation
4,937,491.36 : 6,813,416.40 = 2,761,657.12 : x - Step 2: Convert to fraction form
4,937,491.36/6,813,416.40 = 2,761,657.12/x - Step 3: Cross multiply
4,937,491.36x = 6,813,416.40 × 2,761,657.12 - Step 4: Simplify right side
4,937,491.36x = 18,816,319,912,584.77 - Step 5: Solve for x
x = 18,816,319,912,584.77/4,937,491.36 - Step 6: Final answer
x = 3,810,906.90
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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.