Finding the Fourth Proportional to 3,782,316.11, 5,219,571.50 and 2,150,723.59
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Solution
The fourth proportional to 3,782,316.11, 5,219,571.50 and 2,150,723.59 is: 2,967,984.50
Step by Step Solution
- Step 1: Write the proportion equation
3,782,316.11 : 5,219,571.50 = 2,150,723.59 : x - Step 2: Convert to fraction form
3,782,316.11/5,219,571.50 = 2,150,723.59/x - Step 3: Cross multiply
3,782,316.11x = 5,219,571.50 × 2,150,723.59 - Step 4: Simplify right side
3,782,316.11x = 11,225,855,580,462.26 - Step 5: Solve for x
x = 11,225,855,580,462.26/3,782,316.11 - Step 6: Final answer
x = 2,967,984.50
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.