Finding the Fourth Proportional to 2,037,182.92, 2,811,311.67 and 1,119,471.19
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Solution
The fourth proportional to 2,037,182.92, 2,811,311.67 and 1,119,471.19 is: 1,544,869.82
Step by Step Solution
- Step 1: Write the proportion equation
2,037,182.92 : 2,811,311.67 = 1,119,471.19 : x - Step 2: Convert to fraction form
2,037,182.92/2,811,311.67 = 1,119,471.19/x - Step 3: Cross multiply
2,037,182.92x = 2,811,311.67 × 1,119,471.19 - Step 4: Simplify right side
2,037,182.92x = 3,147,182,420,675.79 - Step 5: Solve for x
x = 3,147,182,420,675.79/2,037,182.92 - Step 6: Final answer
x = 1,544,869.82
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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.