Finding the Fourth Proportional to 1,945,824.12, 2,918,891.70 and 683,934.84
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Solution
The fourth proportional to 1,945,824.12, 2,918,891.70 and 683,934.84 is: 1,025,956.92
Step by Step Solution
- Step 1: Write the proportion equation
1,945,824.12 : 2,918,891.70 = 683,934.84 : x - Step 2: Convert to fraction form
1,945,824.12/2,918,891.70 = 683,934.84/x - Step 3: Cross multiply
1,945,824.12x = 2,918,891.70 × 683,934.84 - Step 4: Simplify right side
1,945,824.12x = 1,996,331,727,816.83 - Step 5: Solve for x
x = 1,996,331,727,816.83/1,945,824.12 - Step 6: Final answer
x = 1,025,956.92
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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.