Finding the Fourth Proportional to 3,046,672.46, 4,201,956.49 and 2,678,362.12
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Solution
The fourth proportional to 3,046,672.46, 4,201,956.49 and 2,678,362.12 is: 3,693,984.58
Step by Step Solution
- Step 1: Write the proportion equation
3,046,672.46 : 4,201,956.49 = 2,678,362.12 : x - Step 2: Convert to fraction form
3,046,672.46/4,201,956.49 = 2,678,362.12/x - Step 3: Cross multiply
3,046,672.46x = 4,201,956.49 × 2,678,362.12 - Step 4: Simplify right side
3,046,672.46x = 11,254,361,109,904.96 - Step 5: Solve for x
x = 11,254,361,109,904.96/3,046,672.46 - Step 6: Final answer
x = 3,693,984.58
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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.