Finding the Fourth Proportional to 5,197,902.72, 7,170,225.95 and 3,022,205.36
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Solution
The fourth proportional to 5,197,902.72, 7,170,225.95 and 3,022,205.36 is: 4,168,968.99
Step by Step Solution
- Step 1: Write the proportion equation
5,197,902.72 : 7,170,225.95 = 3,022,205.36 : x - Step 2: Convert to fraction form
5,197,902.72/7,170,225.95 = 3,022,205.36/x - Step 3: Cross multiply
5,197,902.72x = 7,170,225.95 × 3,022,205.36 - Step 4: Simplify right side
5,197,902.72x = 21,669,895,247,538.94 - Step 5: Solve for x
x = 21,669,895,247,538.94/5,197,902.72 - Step 6: Final answer
x = 4,168,968.99
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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.