Finding the Fourth Proportional to 3,801,974.34, 5,246,523.93 and 2,170,316.82
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Solution
The fourth proportional to 3,801,974.34, 5,246,523.93 and 2,170,316.82 is: 2,994,922.67
Step by Step Solution
- Step 1: Write the proportion equation
3,801,974.34 : 5,246,523.93 = 2,170,316.82 : x - Step 2: Convert to fraction form
3,801,974.34/5,246,523.93 = 2,170,316.82/x - Step 3: Cross multiply
3,801,974.34x = 5,246,523.93 × 2,170,316.82 - Step 4: Simplify right side
3,801,974.34x = 11,386,619,131,811.50 - Step 5: Solve for x
x = 11,386,619,131,811.50/3,801,974.34 - Step 6: Final answer
x = 2,994,922.67
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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.