Finding the Fourth Proportional to 2,057,903.11, 3,086,855.88 and 859,171.96
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Solution
The fourth proportional to 2,057,903.11, 3,086,855.88 and 859,171.96 is: 1,288,758.45
Step by Step Solution
- Step 1: Write the proportion equation
2,057,903.11 : 3,086,855.88 = 859,171.96 : x - Step 2: Convert to fraction form
2,057,903.11/3,086,855.88 = 859,171.96/x - Step 3: Cross multiply
2,057,903.11x = 3,086,855.88 × 859,171.96 - Step 4: Simplify right side
2,057,903.11x = 2,652,140,016,657.12 - Step 5: Solve for x
x = 2,652,140,016,657.12/2,057,903.11 - Step 6: Final answer
x = 1,288,758.45
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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.