Finding the Fourth Proportional to 3,819,974.05, 5,272,313.13 and 2,189,474.44
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Solution
The fourth proportional to 3,819,974.05, 5,272,313.13 and 2,189,474.44 is: 3,021,903.99
Step by Step Solution
- Step 1: Write the proportion equation
3,819,974.05 : 5,272,313.13 = 2,189,474.44 : x - Step 2: Convert to fraction form
3,819,974.05/5,272,313.13 = 2,189,474.44/x - Step 3: Cross multiply
3,819,974.05x = 5,272,313.13 × 2,189,474.44 - Step 4: Simplify right side
3,819,974.05x = 11,543,594,837,811.40 - Step 5: Solve for x
x = 11,543,594,837,811.40/3,819,974.05 - Step 6: Final answer
x = 3,021,903.99
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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.