Finding the Fourth Proportional to 3,811,523.74, 5,259,913.05 and 2,092,755.58
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Solution
The fourth proportional to 3,811,523.74, 5,259,913.05 and 2,092,755.58 is: 2,888,008.35
Step by Step Solution
- Step 1: Write the proportion equation
3,811,523.74 : 5,259,913.05 = 2,092,755.58 : x - Step 2: Convert to fraction form
3,811,523.74/5,259,913.05 = 2,092,755.58/x - Step 3: Cross multiply
3,811,523.74x = 5,259,913.05 × 2,092,755.58 - Step 4: Simplify right side
3,811,523.74x = 11,007,712,385,702.32 - Step 5: Solve for x
x = 11,007,712,385,702.32/3,811,523.74 - Step 6: Final answer
x = 2,888,008.35
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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.