Finding the Fourth Proportional to 3,913,285.80, 5,869,928.70 and 2,842,530.60
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Solution
The fourth proportional to 3,913,285.80, 5,869,928.70 and 2,842,530.60 is: 4,263,795.90
Step by Step Solution
- Step 1: Write the proportion equation
3,913,285.80 : 5,869,928.70 = 2,842,530.60 : x - Step 2: Convert to fraction form
3,913,285.80/5,869,928.70 = 2,842,530.60/x - Step 3: Cross multiply
3,913,285.80x = 5,869,928.70 × 2,842,530.60 - Step 4: Simplify right side
3,913,285.80x = 16,685,451,949,568.22 - Step 5: Solve for x
x = 16,685,451,949,568.22/3,913,285.80 - Step 6: Final answer
x = 4,263,795.90
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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.