Finding the Fourth Proportional to 2,839,352.82, 3,918,286.42 and 1,550,193.21
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Solution
The fourth proportional to 2,839,352.82, 3,918,286.42 and 1,550,193.21 is: 2,139,255.45
Step by Step Solution
- Step 1: Write the proportion equation
2,839,352.82 : 3,918,286.42 = 1,550,193.21 : x - Step 2: Convert to fraction form
2,839,352.82/3,918,286.42 = 1,550,193.21/x - Step 3: Cross multiply
2,839,352.82x = 3,918,286.42 × 1,550,193.21 - Step 4: Simplify right side
2,839,352.82x = 6,074,101,003,119.21 - Step 5: Solve for x
x = 6,074,101,003,119.21/2,839,352.82 - Step 6: Final answer
x = 2,139,255.45
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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.