Finding the Fourth Proportional to 3,201,649.18, 4,418,217.84 and 1,751,331.93
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Solution
The fourth proportional to 3,201,649.18, 4,418,217.84 and 1,751,331.93 is: 2,416,806.32
Step by Step Solution
- Step 1: Write the proportion equation
3,201,649.18 : 4,418,217.84 = 1,751,331.93 : x - Step 2: Convert to fraction form
3,201,649.18/4,418,217.84 = 1,751,331.93/x - Step 3: Cross multiply
3,201,649.18x = 4,418,217.84 × 1,751,331.93 - Step 4: Simplify right side
3,201,649.18x = 7,737,765,976,887.63 - Step 5: Solve for x
x = 7,737,765,976,887.63/3,201,649.18 - Step 6: Final answer
x = 2,416,806.32
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.