Finding the Fourth Proportional to 4,945,703.70, 7,418,555.55 and 3,670,245.30
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Solution
The fourth proportional to 4,945,703.70, 7,418,555.55 and 3,670,245.30 is: 5,505,367.95
Step by Step Solution
- Step 1: Write the proportion equation
4,945,703.70 : 7,418,555.55 = 3,670,245.30 : x - Step 2: Convert to fraction form
4,945,703.70/7,418,555.55 = 3,670,245.30/x - Step 3: Cross multiply
4,945,703.70x = 7,418,555.55 × 3,670,245.30 - Step 4: Simplify right side
4,945,703.70x = 27,227,918,640,176.41 - Step 5: Solve for x
x = 27,227,918,640,176.41/4,945,703.70 - Step 6: Final answer
x = 5,505,367.95
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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.