Finding the Fourth Proportional to 3,525,379.16, 5,288,194.08 and 1,128,912.42
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Solution
The fourth proportional to 3,525,379.16, 5,288,194.08 and 1,128,912.42 is: 1,693,408.77
Step by Step Solution
- Step 1: Write the proportion equation
3,525,379.16 : 5,288,194.08 = 1,128,912.42 : x - Step 2: Convert to fraction form
3,525,379.16/5,288,194.08 = 1,128,912.42/x - Step 3: Cross multiply
3,525,379.16x = 5,288,194.08 × 1,128,912.42 - Step 4: Simplify right side
3,525,379.16x = 5,969,907,976,282.47 - Step 5: Solve for x
x = 5,969,907,976,282.47/3,525,379.16 - Step 6: Final answer
x = 1,693,408.77
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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.