Finding the Fourth Proportional to 3,151,226.10, 4,725,847.64 and 1,020,815.94
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Solution
The fourth proportional to 3,151,226.10, 4,725,847.64 and 1,020,815.94 is: 1,530,902.72
Step by Step Solution
- Step 1: Write the proportion equation
3,151,226.10 : 4,725,847.64 = 1,020,815.94 : x - Step 2: Convert to fraction form
3,151,226.10/4,725,847.64 = 1,020,815.94/x - Step 3: Cross multiply
3,151,226.10x = 4,725,847.64 × 1,020,815.94 - Step 4: Simplify right side
3,151,226.10x = 4,824,220,600,923.38 - Step 5: Solve for x
x = 4,824,220,600,923.38/3,151,226.10 - Step 6: Final answer
x = 1,530,902.72
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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.