Finding the Fourth Proportional to 2,787,396.97, 4,181,087.37 and 765,642.82
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Solution
The fourth proportional to 2,787,396.97, 4,181,087.37 and 765,642.82 is: 1,148,462.01
Step by Step Solution
- Step 1: Write the proportion equation
2,787,396.97 : 4,181,087.37 = 765,642.82 : x - Step 2: Convert to fraction form
2,787,396.97/4,181,087.37 = 765,642.82/x - Step 3: Cross multiply
2,787,396.97x = 4,181,087.37 × 765,642.82 - Step 4: Simplify right side
2,787,396.97x = 3,201,219,524,633.18 - Step 5: Solve for x
x = 3,201,219,524,633.18/2,787,396.97 - Step 6: Final answer
x = 1,148,462.01
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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.