Finding the Fourth Proportional to 4,974,324.54, 6,863,950.68 and 3,138,086.94
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Solution
The fourth proportional to 4,974,324.54, 6,863,950.68 and 3,138,086.94 is: 4,330,170.62
Step by Step Solution
- Step 1: Write the proportion equation
4,974,324.54 : 6,863,950.68 = 3,138,086.94 : x - Step 2: Convert to fraction form
4,974,324.54/6,863,950.68 = 3,138,086.94/x - Step 3: Cross multiply
4,974,324.54x = 6,863,950.68 × 3,138,086.94 - Step 4: Simplify right side
4,974,324.54x = 21,539,673,985,712.12 - Step 5: Solve for x
x = 21,539,673,985,712.12/4,974,324.54 - Step 6: Final answer
x = 4,330,170.62
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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.