Finding the Fourth Proportional to 2,754,079.21, 3,800,553.24 and 1,530,353.08
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Solution
The fourth proportional to 2,754,079.21, 3,800,553.24 and 1,530,353.08 is: 2,111,844.98
Step by Step Solution
- Step 1: Write the proportion equation
2,754,079.21 : 3,800,553.24 = 1,530,353.08 : x - Step 2: Convert to fraction form
2,754,079.21/3,800,553.24 = 1,530,353.08/x - Step 3: Cross multiply
2,754,079.21x = 3,800,553.24 × 1,530,353.08 - Step 4: Simplify right side
2,754,079.21x = 5,816,188,356,537.98 - Step 5: Solve for x
x = 5,816,188,356,537.98/2,754,079.21 - Step 6: Final answer
x = 2,111,844.98
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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.