Finding the Fourth Proportional to 5,420,944.44, 8,130,544.19 and 1,581,865.50
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Solution
The fourth proportional to 5,420,944.44, 8,130,544.19 and 1,581,865.50 is: 2,372,543.66
Step by Step Solution
- Step 1: Write the proportion equation
5,420,944.44 : 8,130,544.19 = 1,581,865.50 : x - Step 2: Convert to fraction form
5,420,944.44/8,130,544.19 = 1,581,865.50/x - Step 3: Cross multiply
5,420,944.44x = 8,130,544.19 × 1,581,865.50 - Step 4: Simplify right side
5,420,944.44x = 12,861,427,378,898.65 - Step 5: Solve for x
x = 12,861,427,378,898.65/5,420,944.44 - Step 6: Final answer
x = 2,372,543.66
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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.