Finding the Fourth Proportional to 3,650,184.98, 5,475,936.64 and 1,221,107.99
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Solution
The fourth proportional to 3,650,184.98, 5,475,936.64 and 1,221,107.99 is: 1,831,882.50
Step by Step Solution
- Step 1: Write the proportion equation
3,650,184.98 : 5,475,936.64 = 1,221,107.99 : x - Step 2: Convert to fraction form
3,650,184.98/5,475,936.64 = 1,221,107.99/x - Step 3: Cross multiply
3,650,184.98x = 5,475,936.64 × 1,221,107.99 - Step 4: Simplify right side
3,650,184.98x = 6,686,709,986,497.02 - Step 5: Solve for x
x = 6,686,709,986,497.02/3,650,184.98 - Step 6: Final answer
x = 1,831,882.50
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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.