Finding the Fourth Proportional to 3,212,601.51, 4,818,918.66 and 1,082,704.08
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Solution
The fourth proportional to 3,212,601.51, 4,818,918.66 and 1,082,704.08 is: 1,624,061.65
Step by Step Solution
- Step 1: Write the proportion equation
3,212,601.51 : 4,818,918.66 = 1,082,704.08 : x - Step 2: Convert to fraction form
3,212,601.51/4,818,918.66 = 1,082,704.08/x - Step 3: Cross multiply
3,212,601.51x = 4,818,918.66 × 1,082,704.08 - Step 4: Simplify right side
3,212,601.51x = 5,217,462,894,370.13 - Step 5: Solve for x
x = 5,217,462,894,370.13/3,212,601.51 - Step 6: Final answer
x = 1,624,061.65
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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.