Finding the Fourth Proportional to 2,037,555.81, 2,811,690.83 and 1,119,765.26
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Solution
The fourth proportional to 2,037,555.81, 2,811,690.83 and 1,119,765.26 is: 1,545,201.22
Step by Step Solution
- Step 1: Write the proportion equation
2,037,555.81 : 2,811,690.83 = 1,119,765.26 : x - Step 2: Convert to fraction form
2,037,555.81/2,811,690.83 = 1,119,765.26/x - Step 3: Cross multiply
2,037,555.81x = 2,811,690.83 × 1,119,765.26 - Step 4: Simplify right side
2,037,555.81x = 3,148,433,723,123.21 - Step 5: Solve for x
x = 3,148,433,723,123.21/2,037,555.81 - Step 6: Final answer
x = 1,545,201.22
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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.