Finding the Fourth Proportional to 3,156,761.21, 4,353,425.25 and 2,068,637.58
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Solution
The fourth proportional to 3,156,761.21, 4,353,425.25 and 2,068,637.58 is: 2,852,816.07
Step by Step Solution
- Step 1: Write the proportion equation
3,156,761.21 : 4,353,425.25 = 2,068,637.58 : x - Step 2: Convert to fraction form
3,156,761.21/4,353,425.25 = 2,068,637.58/x - Step 3: Cross multiply
3,156,761.21x = 4,353,425.25 × 2,068,637.58 - Step 4: Simplify right side
3,156,761.21x = 9,005,659,089,926.05 - Step 5: Solve for x
x = 9,005,659,089,926.05/3,156,761.21 - Step 6: Final answer
x = 2,852,816.07
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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.