Finding the Fourth Proportional to 3,734,416.80, 5,602,402.80 and 2,135,671.20
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Solution
The fourth proportional to 3,734,416.80, 5,602,402.80 and 2,135,671.20 is: 3,203,951.50
Step by Step Solution
- Step 1: Write the proportion equation
3,734,416.80 : 5,602,402.80 = 2,135,671.20 : x - Step 2: Convert to fraction form
3,734,416.80/5,602,402.80 = 2,135,671.20/x - Step 3: Cross multiply
3,734,416.80x = 5,602,402.80 × 2,135,671.20 - Step 4: Simplify right side
3,734,416.80x = 11,964,890,310,759.36 - Step 5: Solve for x
x = 11,964,890,310,759.36/3,734,416.80 - Step 6: Final answer
x = 3,203,951.50
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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.