Finding the Fourth Proportional to 5,902,993.76, 8,141,795.18 and 3,912,529.53
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Solution
The fourth proportional to 5,902,993.76, 8,141,795.18 and 3,912,529.53 is: 5,396,416.69
Step by Step Solution
- Step 1: Write the proportion equation
5,902,993.76 : 8,141,795.18 = 3,912,529.53 : x - Step 2: Convert to fraction form
5,902,993.76/8,141,795.18 = 3,912,529.53/x - Step 3: Cross multiply
5,902,993.76x = 8,141,795.18 × 3,912,529.53 - Step 4: Simplify right side
5,902,993.76x = 31,855,014,049,399.02 - Step 5: Solve for x
x = 31,855,014,049,399.02/5,902,993.76 - Step 6: Final answer
x = 5,396,416.69
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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.