Finding the Fourth Proportional to 2,086,803.65, 2,882,490.41 and 1,725,686.21
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Solution
The fourth proportional to 2,086,803.65, 2,882,490.41 and 1,725,686.21 is: 2,383,680.88
Step by Step Solution
- Step 1: Write the proportion equation
2,086,803.65 : 2,882,490.41 = 1,725,686.21 : x - Step 2: Convert to fraction form
2,086,803.65/2,882,490.41 = 1,725,686.21/x - Step 3: Cross multiply
2,086,803.65x = 2,882,490.41 × 1,725,686.21 - Step 4: Simplify right side
2,086,803.65x = 4,974,273,940,896.01 - Step 5: Solve for x
x = 4,974,273,940,896.01/2,086,803.65 - Step 6: Final answer
x = 2,383,680.88
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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.