Finding the Fourth Proportional to 3,818,438.87, 5,727,656.23 and 1,122,786.41
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Solution
The fourth proportional to 3,818,438.87, 5,727,656.23 and 1,122,786.41 is: 1,684,179.00
Step by Step Solution
- Step 1: Write the proportion equation
3,818,438.87 : 5,727,656.23 = 1,122,786.41 : x - Step 2: Convert to fraction form
3,818,438.87/5,727,656.23 = 1,122,786.41/x - Step 3: Cross multiply
3,818,438.87x = 5,727,656.23 × 1,122,786.41 - Step 4: Simplify right side
3,818,438.87x = 6,430,934,576,195.83 - Step 5: Solve for x
x = 6,430,934,576,195.83/3,818,438.87 - Step 6: Final answer
x = 1,684,179.00
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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.