Finding the Fourth Proportional to 4,154,458.71, 6,232,003.28 and 1,121,780.44
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Solution
The fourth proportional to 4,154,458.71, 6,232,003.28 and 1,121,780.44 is: 1,682,755.77
Step by Step Solution
- Step 1: Write the proportion equation
4,154,458.71 : 6,232,003.28 = 1,121,780.44 : x - Step 2: Convert to fraction form
4,154,458.71/6,232,003.28 = 1,121,780.44/x - Step 3: Cross multiply
4,154,458.71x = 6,232,003.28 × 1,121,780.44 - Step 4: Simplify right side
4,154,458.71x = 6,990,939,381,519.84 - Step 5: Solve for x
x = 6,990,939,381,519.84/4,154,458.71 - Step 6: Final answer
x = 1,682,755.77
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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.