Finding the Fourth Proportional to 3,898,350.41, 5,379,450.45 and 2,266,642.00
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Solution
The fourth proportional to 3,898,350.41, 5,379,450.45 and 2,266,642.00 is: 3,127,807.15
Step by Step Solution
- Step 1: Write the proportion equation
3,898,350.41 : 5,379,450.45 = 2,266,642.00 : x - Step 2: Convert to fraction form
3,898,350.41/5,379,450.45 = 2,266,642.00/x - Step 3: Cross multiply
3,898,350.41x = 5,379,450.45 × 2,266,642.00 - Step 4: Simplify right side
3,898,350.41x = 12,193,288,299,991.65 - Step 5: Solve for x
x = 12,193,288,299,991.65/3,898,350.41 - Step 6: Final answer
x = 3,127,807.15
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.