Finding the Fourth Proportional to 2,686,475.70, 4,029,713.55 and 2,392,542.90
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Solution
The fourth proportional to 2,686,475.70, 4,029,713.55 and 2,392,542.90 is: 3,588,814.35
Step by Step Solution
- Step 1: Write the proportion equation
2,686,475.70 : 4,029,713.55 = 2,392,542.90 : x - Step 2: Convert to fraction form
2,686,475.70/4,029,713.55 = 2,392,542.90/x - Step 3: Cross multiply
2,686,475.70x = 4,029,713.55 × 2,392,542.90 - Step 4: Simplify right side
2,686,475.70x = 9,641,262,543,086.30 - Step 5: Solve for x
x = 9,641,262,543,086.30/2,686,475.70 - Step 6: Final answer
x = 3,588,814.35
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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.