Finding the Fourth Proportional to 2,086,805.15, 2,882,492.49 and 1,725,687.71
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Solution
The fourth proportional to 2,086,805.15, 2,882,492.49 and 1,725,687.71 is: 2,383,682.95
Step by Step Solution
- Step 1: Write the proportion equation
2,086,805.15 : 2,882,492.49 = 1,725,687.71 : x - Step 2: Convert to fraction form
2,086,805.15/2,882,492.49 = 1,725,687.71/x - Step 3: Cross multiply
2,086,805.15x = 2,882,492.49 × 1,725,687.71 - Step 4: Simplify right side
2,086,805.15x = 4,974,281,864,160.30 - Step 5: Solve for x
x = 4,974,281,864,160.30/2,086,805.15 - Step 6: Final answer
x = 2,383,682.95
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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.