Finding the Fourth Proportional to 2,118,107.36, 2,923,007.68 and 1,151,239.84
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Solution
The fourth proportional to 2,118,107.36, 2,923,007.68 and 1,151,239.84 is: 1,588,721.59
Step by Step Solution
- Step 1: Write the proportion equation
2,118,107.36 : 2,923,007.68 = 1,151,239.84 : x - Step 2: Convert to fraction form
2,118,107.36/2,923,007.68 = 1,151,239.84/x - Step 3: Cross multiply
2,118,107.36x = 2,923,007.68 × 1,151,239.84 - Step 4: Simplify right side
2,118,107.36x = 3,365,082,893,841.97 - Step 5: Solve for x
x = 3,365,082,893,841.97/2,118,107.36 - Step 6: Final answer
x = 1,588,721.59
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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.