Finding the Fourth Proportional to 4,429,722.40, 6,644,583.60 and 2,414,183.20
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Solution
The fourth proportional to 4,429,722.40, 6,644,583.60 and 2,414,183.20 is: 3,621,274.80
Step by Step Solution
- Step 1: Write the proportion equation
4,429,722.40 : 6,644,583.60 = 2,414,183.20 : x - Step 2: Convert to fraction form
4,429,722.40/6,644,583.60 = 2,414,183.20/x - Step 3: Cross multiply
4,429,722.40x = 6,644,583.60 × 2,414,183.20 - Step 4: Simplify right side
4,429,722.40x = 16,041,242,098,115.52 - Step 5: Solve for x
x = 16,041,242,098,115.52/4,429,722.40 - Step 6: Final answer
x = 3,621,274.80
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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.