Finding the Fourth Proportional to 2,765,251.80, 4,147,877.70 and 2,747,537.10
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Solution
The fourth proportional to 2,765,251.80, 4,147,877.70 and 2,747,537.10 is: 4,121,305.65
Step by Step Solution
- Step 1: Write the proportion equation
2,765,251.80 : 4,147,877.70 = 2,747,537.10 : x - Step 2: Convert to fraction form
2,765,251.80/4,147,877.70 = 2,747,537.10/x - Step 3: Cross multiply
2,765,251.80x = 4,147,877.70 × 2,747,537.10 - Step 4: Simplify right side
2,765,251.80x = 11,396,447,867,012.67 - Step 5: Solve for x
x = 11,396,447,867,012.67/2,765,251.80 - Step 6: Final answer
x = 4,121,305.65
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1.5x scale
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.