Finding the Fourth Proportional to 3,761,646.76, 5,192,661.77 and 2,539,607.66
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Solution
The fourth proportional to 3,761,646.76, 5,192,661.77 and 2,539,607.66 is: 3,505,731.51
Step by Step Solution
- Step 1: Write the proportion equation
3,761,646.76 : 5,192,661.77 = 2,539,607.66 : x - Step 2: Convert to fraction form
3,761,646.76/5,192,661.77 = 2,539,607.66/x - Step 3: Cross multiply
3,761,646.76x = 5,192,661.77 × 2,539,607.66 - Step 4: Simplify right side
3,761,646.76x = 13,187,323,597,215.82 - Step 5: Solve for x
x = 13,187,323,597,215.82/3,761,646.76 - Step 6: Final answer
x = 3,505,731.51
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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.