Finding the Fourth Proportional to 3,958,219.98, 5,462,354.16 and 2,147,383.98
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Solution
The fourth proportional to 3,958,219.98, 5,462,354.16 and 2,147,383.98 is: 2,963,395.64
Step by Step Solution
- Step 1: Write the proportion equation
3,958,219.98 : 5,462,354.16 = 2,147,383.98 : x - Step 2: Convert to fraction form
3,958,219.98/5,462,354.16 = 2,147,383.98/x - Step 3: Cross multiply
3,958,219.98x = 5,462,354.16 × 2,147,383.98 - Step 4: Simplify right side
3,958,219.98x = 11,729,771,816,270.36 - Step 5: Solve for x
x = 11,729,771,816,270.36/3,958,219.98 - Step 6: Final answer
x = 2,963,395.64
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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.