Finding the Fourth Proportional to 3,826,043.62, 5,280,178.80 and 2,107,163.68
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Solution
The fourth proportional to 3,826,043.62, 5,280,178.80 and 2,107,163.68 is: 2,908,017.29
Step by Step Solution
- Step 1: Write the proportion equation
3,826,043.62 : 5,280,178.80 = 2,107,163.68 : x - Step 2: Convert to fraction form
3,826,043.62/5,280,178.80 = 2,107,163.68/x - Step 3: Cross multiply
3,826,043.62x = 5,280,178.80 × 2,107,163.68 - Step 4: Simplify right side
3,826,043.62x = 11,126,200,991,265.98 - Step 5: Solve for x
x = 11,126,200,991,265.98/3,826,043.62 - Step 6: Final answer
x = 2,908,017.29
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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.