Finding the Fourth Proportional to 4,157,619.01, 6,236,443.84 and 1,278,965.88
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Solution
The fourth proportional to 4,157,619.01, 6,236,443.84 and 1,278,965.88 is: 1,918,453.53
Step by Step Solution
- Step 1: Write the proportion equation
4,157,619.01 : 6,236,443.84 = 1,278,965.88 : x - Step 2: Convert to fraction form
4,157,619.01/6,236,443.84 = 1,278,965.88/x - Step 3: Cross multiply
4,157,619.01x = 6,236,443.84 × 1,278,965.88 - Step 4: Simplify right side
4,157,619.01x = 7,976,198,864,873.78 - Step 5: Solve for x
x = 7,976,198,864,873.78/4,157,619.01 - Step 6: Final answer
x = 1,918,453.53
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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.