Finding the Fourth Proportional to 2,499,431.36, 3,449,217.12 and 1,353,512.96
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Solution
The fourth proportional to 2,499,431.36, 3,449,217.12 and 1,353,512.96 is: 1,867,848.88
Step by Step Solution
- Step 1: Write the proportion equation
2,499,431.36 : 3,449,217.12 = 1,353,512.96 : x - Step 2: Convert to fraction form
2,499,431.36/3,449,217.12 = 1,353,512.96/x - Step 3: Cross multiply
2,499,431.36x = 3,449,217.12 × 1,353,512.96 - Step 4: Simplify right side
2,499,431.36x = 4,668,560,073,773.88 - Step 5: Solve for x
x = 4,668,560,073,773.88/2,499,431.36 - Step 6: Final answer
x = 1,867,848.88
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.