Finding the Fourth Proportional to 2,617,386.40, 3,923,163.60 and 1,019,418.40
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Solution
The fourth proportional to 2,617,386.40, 3,923,163.60 and 1,019,418.40 is: 1,527,991.88
Step by Step Solution
- Step 1: Write the proportion equation
2,617,386.40 : 3,923,163.60 = 1,019,418.40 : x - Step 2: Convert to fraction form
2,617,386.40/3,923,163.60 = 1,019,418.40/x - Step 3: Cross multiply
2,617,386.40x = 3,923,163.60 × 1,019,418.40 - Step 4: Simplify right side
2,617,386.40x = 3,999,345,160,050.24 - Step 5: Solve for x
x = 3,999,345,160,050.24/2,617,386.40 - Step 6: Final answer
x = 1,527,991.88
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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.