Finding the Fourth Proportional to 3,586,659.76, 4,949,491.87 and 1,955,098.99
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Solution
The fourth proportional to 3,586,659.76, 4,949,491.87 and 1,955,098.99 is: 2,697,982.86
Step by Step Solution
- Step 1: Write the proportion equation
3,586,659.76 : 4,949,491.87 = 1,955,098.99 : x - Step 2: Convert to fraction form
3,586,659.76/4,949,491.87 = 1,955,098.99/x - Step 3: Cross multiply
3,586,659.76x = 4,949,491.87 × 1,955,098.99 - Step 4: Simplify right side
3,586,659.76x = 9,676,746,556,050.21 - Step 5: Solve for x
x = 9,676,746,556,050.21/3,586,659.76 - Step 6: Final answer
x = 2,697,982.86
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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.