Finding the Fourth Proportional to 3,380,135.71, 5,066,791.84 and 2,118,849.07
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Solution
The fourth proportional to 3,380,135.71, 5,066,791.84 and 2,118,849.07 is: 3,176,134.95
Step by Step Solution
- Step 1: Write the proportion equation
3,380,135.71 : 5,066,791.84 = 2,118,849.07 : x - Step 2: Convert to fraction form
3,380,135.71/5,066,791.84 = 2,118,849.07/x - Step 3: Cross multiply
3,380,135.71x = 5,066,791.84 × 2,118,849.07 - Step 4: Simplify right side
3,380,135.71x = 10,735,767,178,067.59 - Step 5: Solve for x
x = 10,735,767,178,067.59/3,380,135.71 - Step 6: Final answer
x = 3,176,134.95
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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.