Finding the Fourth Proportional to 5,387,376.83, 8,083,902.74 and 3,114,497.79
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Solution
The fourth proportional to 5,387,376.83, 8,083,902.74 and 3,114,497.79 is: 4,673,387.07
Step by Step Solution
- Step 1: Write the proportion equation
5,387,376.83 : 8,083,902.74 = 3,114,497.79 : x - Step 2: Convert to fraction form
5,387,376.83/8,083,902.74 = 3,114,497.79/x - Step 3: Cross multiply
5,387,376.83x = 8,083,902.74 × 3,114,497.79 - Step 4: Simplify right side
5,387,376.83x = 25,177,297,202,732.46 - Step 5: Solve for x
x = 25,177,297,202,732.46/5,387,376.83 - Step 6: Final answer
x = 4,673,387.07
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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.