Finding the Fourth Proportional to 3,765,857.08, 5,196,861.70 and 2,134,572.84
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Solution
The fourth proportional to 3,765,857.08, 5,196,861.70 and 2,134,572.84 is: 2,945,698.58
Step by Step Solution
- Step 1: Write the proportion equation
3,765,857.08 : 5,196,861.70 = 2,134,572.84 : x - Step 2: Convert to fraction form
3,765,857.08/5,196,861.70 = 2,134,572.84/x - Step 3: Cross multiply
3,765,857.08x = 5,196,861.70 × 2,134,572.84 - Step 4: Simplify right side
3,765,857.08x = 11,093,079,838,056.23 - Step 5: Solve for x
x = 11,093,079,838,056.23/3,765,857.08 - Step 6: Final answer
x = 2,945,698.58
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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.