Finding the Fourth Proportional to 3,769,306.70, 5,201,639.30 and 2,050,423.11
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Solution
The fourth proportional to 3,769,306.70, 5,201,639.30 and 2,050,423.11 is: 2,829,581.75
Step by Step Solution
- Step 1: Write the proportion equation
3,769,306.70 : 5,201,639.30 = 2,050,423.11 : x - Step 2: Convert to fraction form
3,769,306.70/5,201,639.30 = 2,050,423.11/x - Step 3: Cross multiply
3,769,306.70x = 5,201,639.30 × 2,050,423.11 - Step 4: Simplify right side
3,769,306.70x = 10,665,561,435,730.28 - Step 5: Solve for x
x = 10,665,561,435,730.28/3,769,306.70 - Step 6: Final answer
x = 2,829,581.75
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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.