Finding the Fourth Proportional to 3,801,987.36, 5,245,925.76 and 2,253,736.80
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Solution
The fourth proportional to 3,801,987.36, 5,245,925.76 and 2,253,736.80 is: 3,109,672.60
Step by Step Solution
- Step 1: Write the proportion equation
3,801,987.36 : 5,245,925.76 = 2,253,736.80 : x - Step 2: Convert to fraction form
3,801,987.36/5,245,925.76 = 2,253,736.80/x - Step 3: Cross multiply
3,801,987.36x = 5,245,925.76 × 2,253,736.80 - Step 4: Simplify right side
3,801,987.36x = 11,822,935,935,379.97 - Step 5: Solve for x
x = 11,822,935,935,379.97/3,801,987.36 - Step 6: Final answer
x = 3,109,672.60
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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.