Finding the Fourth Proportional to 2,135,497.70, 3,203,246.55 and 715,081.70
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Solution
The fourth proportional to 2,135,497.70, 3,203,246.55 and 715,081.70 is: 1,072,622.55
Step by Step Solution
- Step 1: Write the proportion equation
2,135,497.70 : 3,203,246.55 = 715,081.70 : x - Step 2: Convert to fraction form
2,135,497.70/3,203,246.55 = 715,081.70/x - Step 3: Cross multiply
2,135,497.70x = 3,203,246.55 × 715,081.70 - Step 4: Simplify right side
2,135,497.70x = 2,290,582,988,493.13 - Step 5: Solve for x
x = 2,290,582,988,493.13/2,135,497.70 - Step 6: Final answer
x = 1,072,622.55
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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.