Finding the Fourth Proportional to 3,977,513.55, 5,486,624.24 and 2,814,651.63
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Solution
The fourth proportional to 3,977,513.55, 5,486,624.24 and 2,814,651.63 is: 3,882,560.21
Step by Step Solution
- Step 1: Write the proportion equation
3,977,513.55 : 5,486,624.24 = 2,814,651.63 : x - Step 2: Convert to fraction form
3,977,513.55/5,486,624.24 = 2,814,651.63/x - Step 3: Cross multiply
3,977,513.55x = 5,486,624.24 × 2,814,651.63 - Step 4: Simplify right side
3,977,513.55x = 15,442,935,846,240.25 - Step 5: Solve for x
x = 15,442,935,846,240.25/3,977,513.55 - Step 6: Final answer
x = 3,882,560.21
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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.