Finding the Fourth Proportional to 5,289,140.13, 7,936,699.56 and 2,256,219.45
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Solution
The fourth proportional to 5,289,140.13, 7,936,699.56 and 2,256,219.45 is: 3,385,604.37
Step by Step Solution
- Step 1: Write the proportion equation
5,289,140.13 : 7,936,699.56 = 2,256,219.45 : x - Step 2: Convert to fraction form
5,289,140.13/7,936,699.56 = 2,256,219.45/x - Step 3: Cross multiply
5,289,140.13x = 7,936,699.56 × 2,256,219.45 - Step 4: Simplify right side
5,289,140.13x = 17,906,935,916,078.44 - Step 5: Solve for x
x = 17,906,935,916,078.44/5,289,140.13 - Step 6: Final answer
x = 3,385,604.37
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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.