Finding the Fourth Proportional to 5,163,700.56, 7,745,803.52 and 1,968,231.12
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Solution
The fourth proportional to 5,163,700.56, 7,745,803.52 and 1,968,231.12 is: 2,952,442.99
Step by Step Solution
- Step 1: Write the proportion equation
5,163,700.56 : 7,745,803.52 = 1,968,231.12 : x - Step 2: Convert to fraction form
5,163,700.56/7,745,803.52 = 1,968,231.12/x - Step 3: Cross multiply
5,163,700.56x = 7,745,803.52 × 1,968,231.12 - Step 4: Simplify right side
5,163,700.56x = 15,245,531,537,469.54 - Step 5: Solve for x
x = 15,245,531,537,469.54/5,163,700.56 - Step 6: Final answer
x = 2,952,442.99
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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.