Finding the Fourth Proportional to 4,278,645.49, 6,417,874.62 and 1,040,200.21
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Solution
The fourth proportional to 4,278,645.49, 6,417,874.62 and 1,040,200.21 is: 1,560,277.56
Step by Step Solution
- Step 1: Write the proportion equation
4,278,645.49 : 6,417,874.62 = 1,040,200.21 : x - Step 2: Convert to fraction form
4,278,645.49/6,417,874.62 = 1,040,200.21/x - Step 3: Cross multiply
4,278,645.49x = 6,417,874.62 × 1,040,200.21 - Step 4: Simplify right side
4,278,645.49x = 6,675,874,527,477.67 - Step 5: Solve for x
x = 6,675,874,527,477.67/4,278,645.49 - Step 6: Final answer
x = 1,560,277.56
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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.