Finding the Fourth Proportional to 6,338,820.38, 8,747,507.79 and 3,438,148.97
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Solution
The fourth proportional to 6,338,820.38, 8,747,507.79 and 3,438,148.97 is: 4,744,610.68
Step by Step Solution
- Step 1: Write the proportion equation
6,338,820.38 : 8,747,507.79 = 3,438,148.97 : x - Step 2: Convert to fraction form
6,338,820.38/8,747,507.79 = 3,438,148.97/x - Step 3: Cross multiply
6,338,820.38x = 8,747,507.79 × 3,438,148.97 - Step 4: Simplify right side
6,338,820.38x = 30,075,234,898,255.48 - Step 5: Solve for x
x = 30,075,234,898,255.48/6,338,820.38 - Step 6: Final answer
x = 4,744,610.68
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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.