Finding the Fourth Proportional to 3,539,215.26, 4,872,930.73 and 3,215,960.26
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Solution
The fourth proportional to 3,539,215.26, 4,872,930.73 and 3,215,960.26 is: 4,427,860.53
Step by Step Solution
- Step 1: Write the proportion equation
3,539,215.26 : 4,872,930.73 = 3,215,960.26 : x - Step 2: Convert to fraction form
3,539,215.26/4,872,930.73 = 3,215,960.26/x - Step 3: Cross multiply
3,539,215.26x = 4,872,930.73 × 3,215,960.26 - Step 4: Simplify right side
3,539,215.26x = 15,671,151,557,190.56 - Step 5: Solve for x
x = 15,671,151,557,190.56/3,539,215.26 - Step 6: Final answer
x = 4,427,860.53
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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.