Finding the Fourth Proportional to 4,608,446.20, 6,358,138.11 and 2,977,814.14
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Solution
The fourth proportional to 4,608,446.20, 6,358,138.11 and 2,977,814.14 is: 4,108,402.86
Step by Step Solution
- Step 1: Write the proportion equation
4,608,446.20 : 6,358,138.11 = 2,977,814.14 : x - Step 2: Convert to fraction form
4,608,446.20/6,358,138.11 = 2,977,814.14/x - Step 3: Cross multiply
4,608,446.20x = 6,358,138.11 × 2,977,814.14 - Step 4: Simplify right side
4,608,446.20x = 18,933,353,568,030.88 - Step 5: Solve for x
x = 18,933,353,568,030.88/4,608,446.20 - Step 6: Final answer
x = 4,108,402.86
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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.