Finding the Fourth Proportional to 2,518,910.98, 3,776,129.40 and 981,550.45
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Solution
The fourth proportional to 2,518,910.98, 3,776,129.40 and 981,550.45 is: 1,471,453.95
Step by Step Solution
- Step 1: Write the proportion equation
2,518,910.98 : 3,776,129.40 = 981,550.45 : x - Step 2: Convert to fraction form
2,518,910.98/3,776,129.40 = 981,550.45/x - Step 3: Cross multiply
2,518,910.98x = 3,776,129.40 × 981,550.45 - Step 4: Simplify right side
2,518,910.98x = 3,706,461,511,828.23 - Step 5: Solve for x
x = 3,706,461,511,828.23/2,518,910.98 - Step 6: Final answer
x = 1,471,453.95
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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.