Finding the Fourth Proportional to 2,189,708.10, 3,284,562.15 and 1,587,845.70
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Solution
The fourth proportional to 2,189,708.10, 3,284,562.15 and 1,587,845.70 is: 2,381,768.55
Step by Step Solution
- Step 1: Write the proportion equation
2,189,708.10 : 3,284,562.15 = 1,587,845.70 : x - Step 2: Convert to fraction form
2,189,708.10/3,284,562.15 = 1,587,845.70/x - Step 3: Cross multiply
2,189,708.10x = 3,284,562.15 × 1,587,845.70 - Step 4: Simplify right side
2,189,708.10x = 5,215,377,886,260.26 - Step 5: Solve for x
x = 5,215,377,886,260.26/2,189,708.10 - Step 6: Final answer
x = 2,381,768.55
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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.