Finding the Fourth Proportional to 4,088,121.13, 5,641,532.80 and 2,252,748.81
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Solution
The fourth proportional to 4,088,121.13, 5,641,532.80 and 2,252,748.81 is: 3,108,752.39
Step by Step Solution
- Step 1: Write the proportion equation
4,088,121.13 : 5,641,532.80 = 2,252,748.81 : x - Step 2: Convert to fraction form
4,088,121.13/5,641,532.80 = 2,252,748.81/x - Step 3: Cross multiply
4,088,121.13x = 5,641,532.80 × 2,252,748.81 - Step 4: Simplify right side
4,088,121.13x = 12,708,956,329,971.56 - Step 5: Solve for x
x = 12,708,956,329,971.56/4,088,121.13 - Step 6: Final answer
x = 3,108,752.39
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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.