Finding the Fourth Proportional to 1,581,867.84, 2,373,206.22 and 459,936.84
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Solution
The fourth proportional to 1,581,867.84, 2,373,206.22 and 459,936.84 is: 690,022.86
Step by Step Solution
- Step 1: Write the proportion equation
1,581,867.84 : 2,373,206.22 = 459,936.84 : x - Step 2: Convert to fraction form
1,581,867.84/2,373,206.22 = 459,936.84/x - Step 3: Cross multiply
1,581,867.84x = 2,373,206.22 × 459,936.84 - Step 4: Simplify right side
1,581,867.84x = 1,091,524,969,495.14 - Step 5: Solve for x
x = 1,091,524,969,495.14/1,581,867.84 - Step 6: Final answer
x = 690,022.86
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.