Finding the Fourth Proportional to 1,798,161.56, 2,481,511.72 and 1,073,430.08
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Solution
The fourth proportional to 1,798,161.56, 2,481,511.72 and 1,073,430.08 is: 1,481,362.62
Step by Step Solution
- Step 1: Write the proportion equation
1,798,161.56 : 2,481,511.72 = 1,073,430.08 : x - Step 2: Convert to fraction form
1,798,161.56/2,481,511.72 = 1,073,430.08/x - Step 3: Cross multiply
1,798,161.56x = 2,481,511.72 × 1,073,430.08 - Step 4: Simplify right side
1,798,161.56x = 2,663,729,324,120.54 - Step 5: Solve for x
x = 2,663,729,324,120.54/1,798,161.56 - Step 6: Final answer
x = 1,481,362.62
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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.