Finding the Fourth Proportional to 3,550,392.99, 4,899,564.80 and 1,918,796.53
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Solution
The fourth proportional to 3,550,392.99, 4,899,564.80 and 1,918,796.53 is: 2,647,951.35
Step by Step Solution
- Step 1: Write the proportion equation
3,550,392.99 : 4,899,564.80 = 1,918,796.53 : x - Step 2: Convert to fraction form
3,550,392.99/4,899,564.80 = 1,918,796.53/x - Step 3: Cross multiply
3,550,392.99x = 4,899,564.80 × 1,918,796.53 - Step 4: Simplify right side
3,550,392.99x = 9,401,267,914,907.25 - Step 5: Solve for x
x = 9,401,267,914,907.25/3,550,392.99 - Step 6: Final answer
x = 2,647,951.35
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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.