Finding the Fourth Proportional to 3,744,292.56, 5,617,165.68 and 1,438,616.40
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Solution
The fourth proportional to 3,744,292.56, 5,617,165.68 and 1,438,616.40 is: 2,158,203.86
Step by Step Solution
- Step 1: Write the proportion equation
3,744,292.56 : 5,617,165.68 = 1,438,616.40 : x - Step 2: Convert to fraction form
3,744,292.56/5,617,165.68 = 1,438,616.40/x - Step 3: Cross multiply
3,744,292.56x = 5,617,165.68 × 1,438,616.40 - Step 4: Simplify right side
3,744,292.56x = 8,080,946,668,765.15 - Step 5: Solve for x
x = 8,080,946,668,765.15/3,744,292.56 - Step 6: Final answer
x = 2,158,203.86
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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.