Finding the Fourth Proportional to 3,890,757.09, 5,368,536.93 and 2,732,741.67
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Solution
The fourth proportional to 3,890,757.09, 5,368,536.93 and 2,732,741.67 is: 3,770,686.33
Step by Step Solution
- Step 1: Write the proportion equation
3,890,757.09 : 5,368,536.93 = 2,732,741.67 : x - Step 2: Convert to fraction form
3,890,757.09/5,368,536.93 = 2,732,741.67/x - Step 3: Cross multiply
3,890,757.09x = 5,368,536.93 × 2,732,741.67 - Step 4: Simplify right side
3,890,757.09x = 14,670,824,575,544.87 - Step 5: Solve for x
x = 14,670,824,575,544.87/3,890,757.09 - Step 6: Final answer
x = 3,770,686.33
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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.