Finding the Fourth Proportional to 3,958,245.48, 5,462,389.36 and 2,147,409.48
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Solution
The fourth proportional to 3,958,245.48, 5,462,389.36 and 2,147,409.48 is: 2,963,430.83
Step by Step Solution
- Step 1: Write the proportion equation
3,958,245.48 : 5,462,389.36 = 2,147,409.48 : x - Step 2: Convert to fraction form
3,958,245.48/5,462,389.36 = 2,147,409.48/x - Step 3: Cross multiply
3,958,245.48x = 5,462,389.36 × 2,147,409.48 - Step 4: Simplify right side
3,958,245.48x = 11,729,986,695,115.13 - Step 5: Solve for x
x = 11,729,986,695,115.13/3,958,245.48 - Step 6: Final answer
x = 2,963,430.83
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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.