Finding the Fourth Proportional to 2,994,009.60, 4,491,014.40 and 864,163.20
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Solution
The fourth proportional to 2,994,009.60, 4,491,014.40 and 864,163.20 is: 1,296,244.80
Step by Step Solution
- Step 1: Write the proportion equation
2,994,009.60 : 4,491,014.40 = 864,163.20 : x - Step 2: Convert to fraction form
2,994,009.60/4,491,014.40 = 864,163.20/x - Step 3: Cross multiply
2,994,009.60x = 4,491,014.40 × 864,163.20 - Step 4: Simplify right side
2,994,009.60x = 3,880,969,375,150.08 - Step 5: Solve for x
x = 3,880,969,375,150.08/2,994,009.60 - Step 6: Final answer
x = 1,296,244.80
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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.