Finding the Fourth Proportional to 2,086,116.49, 3,130,241.79 and 993,136.41
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Solution
The fourth proportional to 2,086,116.49, 3,130,241.79 and 993,136.41 is: 1,490,212.62
Step by Step Solution
- Step 1: Write the proportion equation
2,086,116.49 : 3,130,241.79 = 993,136.41 : x - Step 2: Convert to fraction form
2,086,116.49/3,130,241.79 = 993,136.41/x - Step 3: Cross multiply
2,086,116.49x = 3,130,241.79 × 993,136.41 - Step 4: Simplify right side
2,086,116.49x = 3,108,757,109,215.24 - Step 5: Solve for x
x = 3,108,757,109,215.24/2,086,116.49 - Step 6: Final answer
x = 1,490,212.62
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.