Finding the Fourth Proportional to 3,507,447.42, 5,261,721.39 and 1,485,697.14
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Solution
The fourth proportional to 3,507,447.42, 5,261,721.39 and 1,485,697.14 is: 2,228,778.79
Step by Step Solution
- Step 1: Write the proportion equation
3,507,447.42 : 5,261,721.39 = 1,485,697.14 : x - Step 2: Convert to fraction form
3,507,447.42/5,261,721.39 = 1,485,697.14/x - Step 3: Cross multiply
3,507,447.42x = 5,261,721.39 × 1,485,697.14 - Step 4: Simplify right side
3,507,447.42x = 7,817,324,420,599.82 - Step 5: Solve for x
x = 7,817,324,420,599.82/3,507,447.42 - Step 6: Final answer
x = 2,228,778.79
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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.