Finding the Fourth Proportional to 5,244,619.44, 7,236,614.22 and 2,921,454.06
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Solution
The fourth proportional to 5,244,619.44, 7,236,614.22 and 2,921,454.06 is: 4,031,071.51
Step by Step Solution
- Step 1: Write the proportion equation
5,244,619.44 : 7,236,614.22 = 2,921,454.06 : x - Step 2: Convert to fraction form
5,244,619.44/7,236,614.22 = 2,921,454.06/x - Step 3: Cross multiply
5,244,619.44x = 7,236,614.22 × 2,921,454.06 - Step 4: Simplify right side
5,244,619.44x = 21,141,435,993,672.73 - Step 5: Solve for x
x = 21,141,435,993,672.73/5,244,619.44 - Step 6: Final answer
x = 4,031,071.51
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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.