Finding the Fourth Proportional to 3,230,163.77, 4,457,824.98 and 1,779,858.97
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Solution
The fourth proportional to 3,230,163.77, 4,457,824.98 and 1,779,858.97 is: 2,456,315.02
Step by Step Solution
- Step 1: Write the proportion equation
3,230,163.77 : 4,457,824.98 = 1,779,858.97 : x - Step 2: Convert to fraction form
3,230,163.77/4,457,824.98 = 1,779,858.97/x - Step 3: Cross multiply
3,230,163.77x = 4,457,824.98 × 1,779,858.97 - Step 4: Simplify right side
3,230,163.77x = 7,934,299,759,524.04 - Step 5: Solve for x
x = 7,934,299,759,524.04/3,230,163.77 - Step 6: Final answer
x = 2,456,315.02
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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.