Finding the Fourth Proportional to 4,289,069.07, 5,918,915.23 and 2,355,361.94
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Solution
The fourth proportional to 4,289,069.07, 5,918,915.23 and 2,355,361.94 is: 3,250,399.43
Step by Step Solution
- Step 1: Write the proportion equation
4,289,069.07 : 5,918,915.23 = 2,355,361.94 : x - Step 2: Convert to fraction form
4,289,069.07/5,918,915.23 = 2,355,361.94/x - Step 3: Cross multiply
4,289,069.07x = 5,918,915.23 × 2,355,361.94 - Step 4: Simplify right side
4,289,069.07x = 13,941,187,667,737.23 - Step 5: Solve for x
x = 13,941,187,667,737.23/4,289,069.07 - Step 6: Final answer
x = 3,250,399.43
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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.