Finding the Fourth Proportional to 5,636,386.48, 8,450,905.56 and 2,396,243.92
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Solution
The fourth proportional to 5,636,386.48, 8,450,905.56 and 2,396,243.92 is: 3,592,803.85
Step by Step Solution
- Step 1: Write the proportion equation
5,636,386.48 : 8,450,905.56 = 2,396,243.92 : x - Step 2: Convert to fraction form
5,636,386.48/8,450,905.56 = 2,396,243.92/x - Step 3: Cross multiply
5,636,386.48x = 8,450,905.56 × 2,396,243.92 - Step 4: Simplify right side
5,636,386.48x = 20,250,431,066,644.20 - Step 5: Solve for x
x = 20,250,431,066,644.20/5,636,386.48 - Step 6: Final answer
x = 3,592,803.85
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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.