Finding the Fourth Proportional to 1,246,184.78, 1,869,292.16 and 347,571.80
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Solution
The fourth proportional to 1,246,184.78, 1,869,292.16 and 347,571.80 is: 521,361.88
Step by Step Solution
- Step 1: Write the proportion equation
1,246,184.78 : 1,869,292.16 = 347,571.80 : x - Step 2: Convert to fraction form
1,246,184.78/1,869,292.16 = 347,571.80/x - Step 3: Cross multiply
1,246,184.78x = 1,869,292.16 × 347,571.80 - Step 4: Simplify right side
1,246,184.78x = 649,713,240,777.09 - Step 5: Solve for x
x = 649,713,240,777.09/1,246,184.78 - Step 6: Final answer
x = 521,361.88
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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.