Finding the Fourth Proportional to 3,311,215.20, 4,966,822.80 and 2,751,343.20
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Solution
The fourth proportional to 3,311,215.20, 4,966,822.80 and 2,751,343.20 is: 4,127,014.80
Step by Step Solution
- Step 1: Write the proportion equation
3,311,215.20 : 4,966,822.80 = 2,751,343.20 : x - Step 2: Convert to fraction form
3,311,215.20/4,966,822.80 = 2,751,343.20/x - Step 3: Cross multiply
3,311,215.20x = 4,966,822.80 × 2,751,343.20 - Step 4: Simplify right side
3,311,215.20x = 13,665,434,136,384.96 - Step 5: Solve for x
x = 13,665,434,136,384.96/3,311,215.20 - Step 6: Final answer
x = 4,127,014.80
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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.