Finding the Fourth Proportional to 5,479,381.98, 8,219,128.46 and 2,446,902.36
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Solution
The fourth proportional to 5,479,381.98, 8,219,128.46 and 2,446,902.36 is: 3,670,378.32
Step by Step Solution
- Step 1: Write the proportion equation
5,479,381.98 : 8,219,128.46 = 2,446,902.36 : x - Step 2: Convert to fraction form
5,479,381.98/8,219,128.46 = 2,446,902.36/x - Step 3: Cross multiply
5,479,381.98x = 8,219,128.46 × 2,446,902.36 - Step 4: Simplify right side
5,479,381.98x = 20,111,404,813,682.65 - Step 5: Solve for x
x = 20,111,404,813,682.65/5,479,381.98 - Step 6: Final answer
x = 3,670,378.32
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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.