Finding the Fourth Proportional to 3,347,878.14, 5,021,771.85 and 823,555.26
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Solution
The fourth proportional to 3,347,878.14, 5,021,771.85 and 823,555.26 is: 1,235,321.73
Step by Step Solution
- Step 1: Write the proportion equation
3,347,878.14 : 5,021,771.85 = 823,555.26 : x - Step 2: Convert to fraction form
3,347,878.14/5,021,771.85 = 823,555.26/x - Step 3: Cross multiply
3,347,878.14x = 5,021,771.85 × 823,555.26 - Step 4: Simplify right side
3,347,878.14x = 4,135,706,621,587.43 - Step 5: Solve for x
x = 4,135,706,621,587.43/3,347,878.14 - Step 6: Final answer
x = 1,235,321.73
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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.