Finding the Fourth Proportional to 4,497,828.72, 6,210,785.88 and 3,212,611.44
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Solution
The fourth proportional to 4,497,828.72, 6,210,785.88 and 3,212,611.44 is: 4,436,105.29
Step by Step Solution
- Step 1: Write the proportion equation
4,497,828.72 : 6,210,785.88 = 3,212,611.44 : x - Step 2: Convert to fraction form
4,497,828.72/6,210,785.88 = 3,212,611.44/x - Step 3: Cross multiply
4,497,828.72x = 6,210,785.88 × 3,212,611.44 - Step 4: Simplify right side
4,497,828.72x = 19,952,841,769,478.46 - Step 5: Solve for x
x = 19,952,841,769,478.46/4,497,828.72 - Step 6: Final answer
x = 4,436,105.29
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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.