Finding the Fourth Proportional to 4,855,605.97, 6,700,736.64 and 2,680,149.69
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Solution
The fourth proportional to 4,855,605.97, 6,700,736.64 and 2,680,149.69 is: 3,698,606.79
Step by Step Solution
- Step 1: Write the proportion equation
4,855,605.97 : 6,700,736.64 = 2,680,149.69 : x - Step 2: Convert to fraction form
4,855,605.97/6,700,736.64 = 2,680,149.69/x - Step 3: Cross multiply
4,855,605.97x = 6,700,736.64 × 2,680,149.69 - Step 4: Simplify right side
4,855,605.97x = 17,958,977,194,963.96 - Step 5: Solve for x
x = 17,958,977,194,963.96/4,855,605.97 - Step 6: Final answer
x = 3,698,606.79
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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.