Finding the Fourth Proportional to 3,340,579.80, 5,010,869.70 and 2,500,771.80
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Solution
The fourth proportional to 3,340,579.80, 5,010,869.70 and 2,500,771.80 is: 3,751,157.70
Step by Step Solution
- Step 1: Write the proportion equation
3,340,579.80 : 5,010,869.70 = 2,500,771.80 : x - Step 2: Convert to fraction form
3,340,579.80/5,010,869.70 = 2,500,771.80/x - Step 3: Cross multiply
3,340,579.80x = 5,010,869.70 × 2,500,771.80 - Step 4: Simplify right side
3,340,579.80x = 12,531,041,639,234.46 - Step 5: Solve for x
x = 12,531,041,639,234.46/3,340,579.80 - Step 6: Final answer
x = 3,751,157.70
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1.5x scale
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.