Finding the Fourth Proportional to 3,770,962.25, 5,204,488.37 and 2,221,728.62
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Solution
The fourth proportional to 3,770,962.25, 5,204,488.37 and 2,221,728.62 is: 3,066,315.70
Step by Step Solution
- Step 1: Write the proportion equation
3,770,962.25 : 5,204,488.37 = 2,221,728.62 : x - Step 2: Convert to fraction form
3,770,962.25/5,204,488.37 = 2,221,728.62/x - Step 3: Cross multiply
3,770,962.25x = 5,204,488.37 × 2,221,728.62 - Step 4: Simplify right side
3,770,962.25x = 11,562,960,726,955.07 - Step 5: Solve for x
x = 11,562,960,726,955.07/3,770,962.25 - Step 6: Final answer
x = 3,066,315.70
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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.