Finding the Fourth Proportional to 5,446,775.92, 8,171,338.28 and 2,715,812.40
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Solution
The fourth proportional to 5,446,775.92, 8,171,338.28 and 2,715,812.40 is: 4,074,304.17
Step by Step Solution
- Step 1: Write the proportion equation
5,446,775.92 : 8,171,338.28 = 2,715,812.40 : x - Step 2: Convert to fraction form
5,446,775.92/8,171,338.28 = 2,715,812.40/x - Step 3: Cross multiply
5,446,775.92x = 8,171,338.28 × 2,715,812.40 - Step 4: Simplify right side
5,446,775.92x = 22,191,821,825,418.67 - Step 5: Solve for x
x = 22,191,821,825,418.67/5,446,775.92 - Step 6: Final answer
x = 4,074,304.17
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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.