Finding the Fourth Proportional to 2,926,624.93, 4,391,451.05 and 2,123,629.70
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Solution
The fourth proportional to 2,926,624.93, 4,391,451.05 and 2,123,629.70 is: 3,186,542.89
Step by Step Solution
- Step 1: Write the proportion equation
2,926,624.93 : 4,391,451.05 = 2,123,629.70 : x - Step 2: Convert to fraction form
2,926,624.93/4,391,451.05 = 2,123,629.70/x - Step 3: Cross multiply
2,926,624.93x = 4,391,451.05 × 2,123,629.70 - Step 4: Simplify right side
2,926,624.93x = 9,325,815,843,300.78 - Step 5: Solve for x
x = 9,325,815,843,300.78/2,926,624.93 - Step 6: Final answer
x = 3,186,542.89
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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.