Finding the Fourth Proportional to 2,997,107.91, 4,135,924.94 and 1,638,951.75
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Solution
The fourth proportional to 2,997,107.91, 4,135,924.94 and 1,638,951.75 is: 2,261,707.49
Step by Step Solution
- Step 1: Write the proportion equation
2,997,107.91 : 4,135,924.94 = 1,638,951.75 : x - Step 2: Convert to fraction form
2,997,107.91/4,135,924.94 = 1,638,951.75/x - Step 3: Cross multiply
2,997,107.91x = 4,135,924.94 × 1,638,951.75 - Step 4: Simplify right side
2,997,107.91x = 6,778,581,410,086.89 - Step 5: Solve for x
x = 6,778,581,410,086.89/2,997,107.91 - Step 6: Final answer
x = 2,261,707.49
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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.