Finding the Fourth Proportional to 2,147,281.11, 3,220,837.49 and 727,337.14
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Solution
The fourth proportional to 2,147,281.11, 3,220,837.49 and 727,337.14 is: 1,090,977.19
Step by Step Solution
- Step 1: Write the proportion equation
2,147,281.11 : 3,220,837.49 = 727,337.14 : x - Step 2: Convert to fraction form
2,147,281.11/3,220,837.49 = 727,337.14/x - Step 3: Cross multiply
2,147,281.11x = 3,220,837.49 × 727,337.14 - Step 4: Simplify right side
2,147,281.11x = 2,342,634,722,147.63 - Step 5: Solve for x
x = 2,342,634,722,147.63/2,147,281.11 - Step 6: Final answer
x = 1,090,977.19
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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.