Finding the Fourth Proportional to 5,388,530.24, 8,075,796.64 and 2,189,934.08
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Solution
The fourth proportional to 5,388,530.24, 8,075,796.64 and 2,189,934.08 is: 3,282,056.79
Step by Step Solution
- Step 1: Write the proportion equation
5,388,530.24 : 8,075,796.64 = 2,189,934.08 : x - Step 2: Convert to fraction form
5,388,530.24/8,075,796.64 = 2,189,934.08/x - Step 3: Cross multiply
5,388,530.24x = 8,075,796.64 × 2,189,934.08 - Step 4: Simplify right side
5,388,530.24x = 17,685,462,285,085.49 - Step 5: Solve for x
x = 17,685,462,285,085.49/5,388,530.24 - Step 6: Final answer
x = 3,282,056.79
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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.