Finding the Fourth Proportional to 3,811,547.16, 5,259,945.36 and 2,092,779
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Solution
The fourth proportional to 3,811,547.16, 5,259,945.36 and 2,092,779 is: 2,888,040.66
Step by Step Solution
- Step 1: Write the proportion equation
3,811,547.16 : 5,259,945.36 = 2,092,779 : x - Step 2: Convert to fraction form
3,811,547.16/5,259,945.36 = 2,092,779/x - Step 3: Cross multiply
3,811,547.16x = 5,259,945.36 × 2,092,779 - Step 4: Simplify right side
3,811,547.16x = 11,007,903,190,555.44 - Step 5: Solve for x
x = 11,007,903,190,555.44/3,811,547.16 - Step 6: Final answer
x = 2,888,040.66
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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.