Finding the Fourth Proportional to 4,621,183.72, 6,376,742.60 and 2,555,871.14
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Solution
The fourth proportional to 4,621,183.72, 6,376,742.60 and 2,555,871.14 is: 3,526,830.65
Step by Step Solution
- Step 1: Write the proportion equation
4,621,183.72 : 6,376,742.60 = 2,555,871.14 : x - Step 2: Convert to fraction form
4,621,183.72/6,376,742.60 = 2,555,871.14/x - Step 3: Cross multiply
4,621,183.72x = 6,376,742.60 × 2,555,871.14 - Step 4: Simplify right side
4,621,183.72x = 16,298,132,378,548.56 - Step 5: Solve for x
x = 16,298,132,378,548.56/4,621,183.72 - Step 6: Final answer
x = 3,526,830.65
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.