Finding the Fourth Proportional to 7,079,851.74, 9,770,177.43 and 3,860,587.74
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Solution
The fourth proportional to 7,079,851.74, 9,770,177.43 and 3,860,587.74 is: 5,327,601.28
Step by Step Solution
- Step 1: Write the proportion equation
7,079,851.74 : 9,770,177.43 = 3,860,587.74 : x - Step 2: Convert to fraction form
7,079,851.74/9,770,177.43 = 3,860,587.74/x - Step 3: Cross multiply
7,079,851.74x = 9,770,177.43 × 3,860,587.74 - Step 4: Simplify right side
7,079,851.74x = 37,718,627,203,882.71 - Step 5: Solve for x
x = 37,718,627,203,882.71/7,079,851.74 - Step 6: Final answer
x = 5,327,601.28
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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.