Finding the Fourth Proportional to 2,789,943.92, 4,183,114.92 and 1,193,548.40
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Solution
The fourth proportional to 2,789,943.92, 4,183,114.92 and 1,193,548.40 is: 1,789,552.14
Step by Step Solution
- Step 1: Write the proportion equation
2,789,943.92 : 4,183,114.92 = 1,193,548.40 : x - Step 2: Convert to fraction form
2,789,943.92/4,183,114.92 = 1,193,548.40/x - Step 3: Cross multiply
2,789,943.92x = 4,183,114.92 × 1,193,548.40 - Step 4: Simplify right side
2,789,943.92x = 4,992,750,119,782.13 - Step 5: Solve for x
x = 4,992,750,119,782.13/2,789,943.92 - Step 6: Final answer
x = 1,789,552.14
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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.