Finding the Fourth Proportional to 3,788,575.74, 5,682,912.21 and 1,264,230.99
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Solution
The fourth proportional to 3,788,575.74, 5,682,912.21 and 1,264,230.99 is: 1,896,362.70
Step by Step Solution
- Step 1: Write the proportion equation
3,788,575.74 : 5,682,912.21 = 1,264,230.99 : x - Step 2: Convert to fraction form
3,788,575.74/5,682,912.21 = 1,264,230.99/x - Step 3: Cross multiply
3,788,575.74x = 5,682,912.21 × 1,264,230.99 - Step 4: Simplify right side
3,788,575.74x = 7,184,513,729,331.39 - Step 5: Solve for x
x = 7,184,513,729,331.39/3,788,575.74 - Step 6: Final answer
x = 1,896,362.70
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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.