Finding the Fourth Proportional to 2,189,986.62, 3,283,858.41 and 1,165,898.94
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Solution
The fourth proportional to 2,189,986.62, 3,283,858.41 and 1,165,898.94 is: 1,748,251.34
Step by Step Solution
- Step 1: Write the proportion equation
2,189,986.62 : 3,283,858.41 = 1,165,898.94 : x - Step 2: Convert to fraction form
2,189,986.62/3,283,858.41 = 1,165,898.94/x - Step 3: Cross multiply
2,189,986.62x = 3,283,858.41 × 1,165,898.94 - Step 4: Simplify right side
2,189,986.62x = 3,828,647,039,329.09 - Step 5: Solve for x
x = 3,828,647,039,329.09/2,189,986.62 - Step 6: Final answer
x = 1,748,251.34
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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.