Finding the Fourth Proportional to 2,198,815.80, 3,295,599.30 and 919,420.80
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Solution
The fourth proportional to 2,198,815.80, 3,295,599.30 and 919,420.80 is: 1,378,033.82
Step by Step Solution
- Step 1: Write the proportion equation
2,198,815.80 : 3,295,599.30 = 919,420.80 : x - Step 2: Convert to fraction form
2,198,815.80/3,295,599.30 = 919,420.80/x - Step 3: Cross multiply
2,198,815.80x = 3,295,599.30 × 919,420.80 - Step 4: Simplify right side
2,198,815.80x = 3,030,042,544,885.44 - Step 5: Solve for x
x = 3,030,042,544,885.44/2,198,815.80 - Step 6: Final answer
x = 1,378,033.82
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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.