Finding the Fourth Proportional to 4,922,713.44, 7,383,156.48 and 3,968,740.80
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Solution
The fourth proportional to 4,922,713.44, 7,383,156.48 and 3,968,740.80 is: 5,952,374.58
Step by Step Solution
- Step 1: Write the proportion equation
4,922,713.44 : 7,383,156.48 = 3,968,740.80 : x - Step 2: Convert to fraction form
4,922,713.44/7,383,156.48 = 3,968,740.80/x - Step 3: Cross multiply
4,922,713.44x = 7,383,156.48 × 3,968,740.80 - Step 4: Simplify right side
4,922,713.44x = 29,301,834,354,960.38 - Step 5: Solve for x
x = 29,301,834,354,960.38/4,922,713.44 - Step 6: Final answer
x = 5,952,374.58
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.