Finding the Fourth Proportional to 2,037,181.92, 2,811,310.29 and 1,119,470.19
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Solution
The fourth proportional to 2,037,181.92, 2,811,310.29 and 1,119,470.19 is: 1,544,868.44
Step by Step Solution
- Step 1: Write the proportion equation
2,037,181.92 : 2,811,310.29 = 1,119,470.19 : x - Step 2: Convert to fraction form
2,037,181.92/2,811,310.29 = 1,119,470.19/x - Step 3: Cross multiply
2,037,181.92x = 2,811,310.29 × 1,119,470.19 - Step 4: Simplify right side
2,037,181.92x = 3,147,178,064,495.26 - Step 5: Solve for x
x = 3,147,178,064,495.26/2,037,181.92 - Step 6: Final answer
x = 1,544,868.44
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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.