Finding the Fourth Proportional to 3,764,992.88, 5,667,974.93 and 3,430,185.05
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Solution
The fourth proportional to 3,764,992.88, 5,667,974.93 and 3,430,185.05 is: 5,163,941.47
Step by Step Solution
- Step 1: Write the proportion equation
3,764,992.88 : 5,667,974.93 = 3,430,185.05 : x - Step 2: Convert to fraction form
3,764,992.88/5,667,974.93 = 3,430,185.05/x - Step 3: Cross multiply
3,764,992.88x = 5,667,974.93 × 3,430,185.05 - Step 4: Simplify right side
3,764,992.88x = 19,442,202,868,660.79 - Step 5: Solve for x
x = 19,442,202,868,660.79/3,764,992.88 - Step 6: Final answer
x = 5,163,941.47
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.