Finding the Fourth Proportional to 3,815,950.91, 5,266,214.06 and 2,162,418.98
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Solution
The fourth proportional to 3,815,950.91, 5,266,214.06 and 2,162,418.98 is: 2,984,252.54
Step by Step Solution
- Step 1: Write the proportion equation
3,815,950.91 : 5,266,214.06 = 2,162,418.98 : x - Step 2: Convert to fraction form
3,815,950.91/5,266,214.06 = 2,162,418.98/x - Step 3: Cross multiply
3,815,950.91x = 5,266,214.06 × 2,162,418.98 - Step 4: Simplify right side
3,815,950.91x = 11,387,761,198,943.69 - Step 5: Solve for x
x = 11,387,761,198,943.69/3,815,950.91 - Step 6: Final answer
x = 2,984,252.54
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.