Finding the Fourth Proportional to 2,072,512.10, 3,108,768.16 and 724,226.60
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Solution
The fourth proportional to 2,072,512.10, 3,108,768.16 and 724,226.60 is: 1,086,339.90
Step by Step Solution
- Step 1: Write the proportion equation
2,072,512.10 : 3,108,768.16 = 724,226.60 : x - Step 2: Convert to fraction form
2,072,512.10/3,108,768.16 = 724,226.60/x - Step 3: Cross multiply
2,072,512.10x = 3,108,768.16 × 724,226.60 - Step 4: Simplify right side
2,072,512.10x = 2,251,452,594,705.06 - Step 5: Solve for x
x = 2,251,452,594,705.06/2,072,512.10 - Step 6: Final answer
x = 1,086,339.90
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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.