Finding the Fourth Proportional to 3,683,991.97, 5,081,962.84 and 2,536,079.41
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Solution
The fourth proportional to 3,683,991.97, 5,081,962.84 and 2,536,079.41 is: 3,498,449.90
Step by Step Solution
- Step 1: Write the proportion equation
3,683,991.97 : 5,081,962.84 = 2,536,079.41 : x - Step 2: Convert to fraction form
3,683,991.97/5,081,962.84 = 2,536,079.41/x - Step 3: Cross multiply
3,683,991.97x = 5,081,962.84 × 2,536,079.41 - Step 4: Simplify right side
3,683,991.97x = 12,888,261,320,909.12 - Step 5: Solve for x
x = 12,888,261,320,909.12/3,683,991.97 - Step 6: Final answer
x = 3,498,449.90
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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.