Finding the Fourth Proportional to 1,415,141.46, 2,122,494.62 and 775,761.98
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Solution
The fourth proportional to 1,415,141.46, 2,122,494.62 and 775,761.98 is: 1,163,523.69
Step by Step Solution
- Step 1: Write the proportion equation
1,415,141.46 : 2,122,494.62 = 775,761.98 : x - Step 2: Convert to fraction form
1,415,141.46/2,122,494.62 = 775,761.98/x - Step 3: Cross multiply
1,415,141.46x = 2,122,494.62 × 775,761.98 - Step 4: Simplify right side
1,415,141.46x = 1,646,550,614,459.26 - Step 5: Solve for x
x = 1,646,550,614,459.26/1,415,141.46 - Step 6: Final answer
x = 1,163,523.69
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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.