Finding the Fourth Proportional to 5,481,505.38, 8,219,425.14 and 2,406,237.60
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Solution
The fourth proportional to 5,481,505.38, 8,219,425.14 and 2,406,237.60 is: 3,608,112.82
Step by Step Solution
- Step 1: Write the proportion equation
5,481,505.38 : 8,219,425.14 = 2,406,237.60 : x - Step 2: Convert to fraction form
5,481,505.38/8,219,425.14 = 2,406,237.60/x - Step 3: Cross multiply
5,481,505.38x = 8,219,425.14 × 2,406,237.60 - Step 4: Simplify right side
5,481,505.38x = 19,777,889,822,253.27 - Step 5: Solve for x
x = 19,777,889,822,253.27/5,481,505.38 - Step 6: Final answer
x = 3,608,112.82
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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.