Finding the Fourth Proportional to 2,414,233.20, 3,621,787.20 and 1,213,132.80
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Solution
The fourth proportional to 2,414,233.20, 3,621,787.20 and 1,213,132.80 is: 1,819,918.99
Step by Step Solution
- Step 1: Write the proportion equation
2,414,233.20 : 3,621,787.20 = 1,213,132.80 : x - Step 2: Convert to fraction form
2,414,233.20/3,621,787.20 = 1,213,132.80/x - Step 3: Cross multiply
2,414,233.20x = 3,621,787.20 × 1,213,132.80 - Step 4: Simplify right side
2,414,233.20x = 4,393,708,846,940.16 - Step 5: Solve for x
x = 4,393,708,846,940.16/2,414,233.20 - Step 6: Final answer
x = 1,819,918.99
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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.