Finding the Fourth Proportional to 3,286,720.70, 4,930,081.05 and 1,517,248.70
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Solution
The fourth proportional to 3,286,720.70, 4,930,081.05 and 1,517,248.70 is: 2,275,873.05
Step by Step Solution
- Step 1: Write the proportion equation
3,286,720.70 : 4,930,081.05 = 1,517,248.70 : x - Step 2: Convert to fraction form
3,286,720.70/4,930,081.05 = 1,517,248.70/x - Step 3: Cross multiply
3,286,720.70x = 4,930,081.05 × 1,517,248.70 - Step 4: Simplify right side
3,286,720.70x = 7,480,159,064,007.14 - Step 5: Solve for x
x = 7,480,159,064,007.14/3,286,720.70 - Step 6: Final answer
x = 2,275,873.05
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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.