Finding the Fourth Proportional to 2,649,863.20, 3,974,794.80 and 1,229,447.20
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Solution
The fourth proportional to 2,649,863.20, 3,974,794.80 and 1,229,447.20 is: 1,844,170.80
Step by Step Solution
- Step 1: Write the proportion equation
2,649,863.20 : 3,974,794.80 = 1,229,447.20 : x - Step 2: Convert to fraction form
2,649,863.20/3,974,794.80 = 1,229,447.20/x - Step 3: Cross multiply
2,649,863.20x = 3,974,794.80 × 1,229,447.20 - Step 4: Simplify right side
2,649,863.20x = 4,886,800,337,434.56 - Step 5: Solve for x
x = 4,886,800,337,434.56/2,649,863.20 - Step 6: Final answer
x = 1,844,170.80
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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.