Finding the Fourth Proportional to 2,037,178.71, 2,811,305.75 and 1,119,467.07
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Solution
The fourth proportional to 2,037,178.71, 2,811,305.75 and 1,119,467.07 is: 1,544,864.08
Step by Step Solution
- Step 1: Write the proportion equation
2,037,178.71 : 2,811,305.75 = 1,119,467.07 : x - Step 2: Convert to fraction form
2,037,178.71/2,811,305.75 = 1,119,467.07/x - Step 3: Cross multiply
2,037,178.71x = 2,811,305.75 × 1,119,467.07 - Step 4: Simplify right side
2,037,178.71x = 3,147,164,205,229.32 - Step 5: Solve for x
x = 3,147,164,205,229.32/2,037,178.71 - Step 6: Final answer
x = 1,544,864.08
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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.