Finding the Fourth Proportional to 2,153,122.87, 3,229,576.94 and 805,186.37
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Solution
The fourth proportional to 2,153,122.87, 3,229,576.94 and 805,186.37 is: 1,207,739.40
Step by Step Solution
- Step 1: Write the proportion equation
2,153,122.87 : 3,229,576.94 = 805,186.37 : x - Step 2: Convert to fraction form
2,153,122.87/3,229,576.94 = 805,186.37/x - Step 3: Cross multiply
2,153,122.87x = 3,229,576.94 × 805,186.37 - Step 4: Simplify right side
2,153,122.87x = 2,600,411,328,928.38 - Step 5: Solve for x
x = 2,600,411,328,928.38/2,153,122.87 - Step 6: Final answer
x = 1,207,739.40
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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.