Finding the Fourth Proportional to 2,420,122.40, 3,630,961.20 and 1,622,304.80
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Solution
The fourth proportional to 2,420,122.40, 3,630,961.20 and 1,622,304.80 is: 2,433,978.46
Step by Step Solution
- Step 1: Write the proportion equation
2,420,122.40 : 3,630,961.20 = 1,622,304.80 : x - Step 2: Convert to fraction form
2,420,122.40/3,630,961.20 = 1,622,304.80/x - Step 3: Cross multiply
2,420,122.40x = 3,630,961.20 × 1,622,304.80 - Step 4: Simplify right side
2,420,122.40x = 5,890,525,783,373.76 - Step 5: Solve for x
x = 5,890,525,783,373.76/2,420,122.40 - Step 6: Final answer
x = 2,433,978.46
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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.