Finding the Fourth Proportional to 3,761,677.13, 5,192,703.68 and 2,539,638.05
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Solution
The fourth proportional to 3,761,677.13, 5,192,703.68 and 2,539,638.05 is: 3,505,773.45
Step by Step Solution
- Step 1: Write the proportion equation
3,761,677.13 : 5,192,703.68 = 2,539,638.05 : x - Step 2: Convert to fraction form
3,761,677.13/5,192,703.68 = 2,539,638.05/x - Step 3: Cross multiply
3,761,677.13x = 5,192,703.68 × 2,539,638.05 - Step 4: Simplify right side
3,761,677.13x = 13,187,587,809,441.31 - Step 5: Solve for x
x = 13,187,587,809,441.31/3,761,677.13 - Step 6: Final answer
x = 3,505,773.45
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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.