Finding the Fourth Proportional to 5,338,278.98, 8,007,414.74 and 2,143,403.68
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Solution
The fourth proportional to 5,338,278.98, 8,007,414.74 and 2,143,403.68 is: 3,215,104.02
Step by Step Solution
- Step 1: Write the proportion equation
5,338,278.98 : 8,007,414.74 = 2,143,403.68 : x - Step 2: Convert to fraction form
5,338,278.98/8,007,414.74 = 2,143,403.68/x - Step 3: Cross multiply
5,338,278.98x = 8,007,414.74 × 2,143,403.68 - Step 4: Simplify right side
5,338,278.98x = 17,163,122,221,002.24 - Step 5: Solve for x
x = 17,163,122,221,002.24/5,338,278.98 - Step 6: Final answer
x = 3,215,104.02
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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.