Finding the Fourth Proportional to 3,516,796.09, 5,275,135.99 and 1,120,608.19
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Solution
The fourth proportional to 3,516,796.09, 5,275,135.99 and 1,120,608.19 is: 1,680,893.76
Step by Step Solution
- Step 1: Write the proportion equation
3,516,796.09 : 5,275,135.99 = 1,120,608.19 : x - Step 2: Convert to fraction form
3,516,796.09/5,275,135.99 = 1,120,608.19/x - Step 3: Cross multiply
3,516,796.09x = 5,275,135.99 × 1,120,608.19 - Step 4: Simplify right side
3,516,796.09x = 5,911,360,593,757.76 - Step 5: Solve for x
x = 5,911,360,593,757.76/3,516,796.09 - Step 6: Final answer
x = 1,680,893.76
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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.