Finding the Fourth Proportional to 2,138,458.46, 3,207,352.28 and 699,131.79
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Solution
The fourth proportional to 2,138,458.46, 3,207,352.28 and 699,131.79 is: 1,048,588.03
Step by Step Solution
- Step 1: Write the proportion equation
2,138,458.46 : 3,207,352.28 = 699,131.79 : x - Step 2: Convert to fraction form
2,138,458.46/3,207,352.28 = 699,131.79/x - Step 3: Cross multiply
2,138,458.46x = 3,207,352.28 × 699,131.79 - Step 4: Simplify right side
2,138,458.46x = 2,242,361,937,181.32 - Step 5: Solve for x
x = 2,242,361,937,181.32/2,138,458.46 - Step 6: Final answer
x = 1,048,588.03
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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.