Finding the Fourth Proportional to 5,481,559.99, 7,562,813.74 and 3,189,277.81
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Solution
The fourth proportional to 5,481,559.99, 7,562,813.74 and 3,189,277.81 is: 4,400,191.57
Step by Step Solution
- Step 1: Write the proportion equation
5,481,559.99 : 7,562,813.74 = 3,189,277.81 : x - Step 2: Convert to fraction form
5,481,559.99/7,562,813.74 = 3,189,277.81/x - Step 3: Cross multiply
5,481,559.99x = 7,562,813.74 × 3,189,277.81 - Step 4: Simplify right side
5,481,559.99x = 24,119,914,042,145.11 - Step 5: Solve for x
x = 24,119,914,042,145.11/5,481,559.99 - Step 6: Final answer
x = 4,400,191.57
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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.