Finding the Fourth Proportional to 3,266,821.80, 4,900,232.70 and 2,794,429.80
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Solution
The fourth proportional to 3,266,821.80, 4,900,232.70 and 2,794,429.80 is: 4,191,644.70
Step by Step Solution
- Step 1: Write the proportion equation
3,266,821.80 : 4,900,232.70 = 2,794,429.80 : x - Step 2: Convert to fraction form
3,266,821.80/4,900,232.70 = 2,794,429.80/x - Step 3: Cross multiply
3,266,821.80x = 4,900,232.70 × 2,794,429.80 - Step 4: Simplify right side
3,266,821.80x = 13,693,356,283,814.46 - Step 5: Solve for x
x = 13,693,356,283,814.46/3,266,821.80 - Step 6: Final answer
x = 4,191,644.70
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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.