Finding the Fourth Proportional to 2,037,624.29, 2,811,984.80 and 1,119,836.75
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Solution
The fourth proportional to 2,037,624.29, 2,811,984.80 and 1,119,836.75 is: 1,545,409.49
Step by Step Solution
- Step 1: Write the proportion equation
2,037,624.29 : 2,811,984.80 = 1,119,836.75 : x - Step 2: Convert to fraction form
2,037,624.29/2,811,984.80 = 1,119,836.75/x - Step 3: Cross multiply
2,037,624.29x = 2,811,984.80 × 1,119,836.75 - Step 4: Simplify right side
2,037,624.29x = 3,148,963,919,481.40 - Step 5: Solve for x
x = 3,148,963,919,481.40/2,037,624.29 - Step 6: Final answer
x = 1,545,409.49
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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.