Finding the Fourth Proportional to 1,415,122.32, 1,952,860.49 and 770,540.98
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Solution
The fourth proportional to 1,415,122.32, 1,952,860.49 and 770,540.98 is: 1,063,342.02
Step by Step Solution
- Step 1: Write the proportion equation
1,415,122.32 : 1,952,860.49 = 770,540.98 : x - Step 2: Convert to fraction form
1,415,122.32/1,952,860.49 = 770,540.98/x - Step 3: Cross multiply
1,415,122.32x = 1,952,860.49 × 770,540.98 - Step 4: Simplify right side
1,415,122.32x = 1,504,759,028,091.75 - Step 5: Solve for x
x = 1,504,759,028,091.75/1,415,122.32 - Step 6: Final answer
x = 1,063,342.02
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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.