Finding the Fourth Proportional to 5,162,467.56, 7,125,096.95 and 2,988,209.53
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Solution
The fourth proportional to 5,162,467.56, 7,125,096.95 and 2,988,209.53 is: 4,124,245.31
Step by Step Solution
- Step 1: Write the proportion equation
5,162,467.56 : 7,125,096.95 = 2,988,209.53 : x - Step 2: Convert to fraction form
5,162,467.56/7,125,096.95 = 2,988,209.53/x - Step 3: Cross multiply
5,162,467.56x = 7,125,096.95 × 2,988,209.53 - Step 4: Simplify right side
5,162,467.56x = 21,291,282,608,163.93 - Step 5: Solve for x
x = 21,291,282,608,163.93/5,162,467.56 - Step 6: Final answer
x = 4,124,245.31
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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.