Finding the Fourth Proportional to 4,157,624.71, 6,236,452.39 and 1,278,971.58
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Solution
The fourth proportional to 4,157,624.71, 6,236,452.39 and 1,278,971.58 is: 1,918,462.09
Step by Step Solution
- Step 1: Write the proportion equation
4,157,624.71 : 6,236,452.39 = 1,278,971.58 : x - Step 2: Convert to fraction form
4,157,624.71/6,236,452.39 = 1,278,971.58/x - Step 3: Cross multiply
4,157,624.71x = 6,236,452.39 × 1,278,971.58 - Step 4: Simplify right side
4,157,624.71x = 7,976,245,378,457.98 - Step 5: Solve for x
x = 7,976,245,378,457.98/4,157,624.71 - Step 6: Final answer
x = 1,918,462.09
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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.