Finding the Fourth Proportional to 4,744,305.15, 7,115,390.55 and 2,183,063.28
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Solution
The fourth proportional to 4,744,305.15, 7,115,390.55 and 2,183,063.28 is: 3,274,103.87
Step by Step Solution
- Step 1: Write the proportion equation
4,744,305.15 : 7,115,390.55 = 2,183,063.28 : x - Step 2: Convert to fraction form
4,744,305.15/7,115,390.55 = 2,183,063.28/x - Step 3: Cross multiply
4,744,305.15x = 7,115,390.55 × 2,183,063.28 - Step 4: Simplify right side
4,744,305.15x = 15,533,347,832,564.00 - Step 5: Solve for x
x = 15,533,347,832,564.00/4,744,305.15 - Step 6: Final answer
x = 3,274,103.87
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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.