Finding the Fourth Proportional to 5,388,506.08, 8,075,760.72 and 2,189,910.08
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Solution
The fourth proportional to 5,388,506.08, 8,075,760.72 and 2,189,910.08 is: 3,282,020.94
Step by Step Solution
- Step 1: Write the proportion equation
5,388,506.08 : 8,075,760.72 = 2,189,910.08 : x - Step 2: Convert to fraction form
5,388,506.08/8,075,760.72 = 2,189,910.08/x - Step 3: Cross multiply
5,388,506.08x = 8,075,760.72 × 2,189,910.08 - Step 4: Simplify right side
5,388,506.08x = 17,685,189,804,396.06 - Step 5: Solve for x
x = 17,685,189,804,396.06/5,388,506.08 - Step 6: Final answer
x = 3,282,020.94
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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.