Finding the Fourth Proportional to 1,097,991.99, 1,647,072.23 and 378,038.07
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Solution
The fourth proportional to 1,097,991.99, 1,647,072.23 and 378,038.07 is: 567,086.11
Step by Step Solution
- Step 1: Write the proportion equation
1,097,991.99 : 1,647,072.23 = 378,038.07 : x - Step 2: Convert to fraction form
1,097,991.99/1,647,072.23 = 378,038.07/x - Step 3: Cross multiply
1,097,991.99x = 1,647,072.23 × 378,038.07 - Step 4: Simplify right side
1,097,991.99x = 622,656,005,089.61 - Step 5: Solve for x
x = 622,656,005,089.61/1,097,991.99 - Step 6: Final answer
x = 567,086.11
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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.