Finding the Fourth Proportional to 2,545,305.94, 3,512,431.83 and 1,399,377.94
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Solution
The fourth proportional to 2,545,305.94, 3,512,431.83 and 1,399,377.94 is: 1,931,091.87
Step by Step Solution
- Step 1: Write the proportion equation
2,545,305.94 : 3,512,431.83 = 1,399,377.94 : x - Step 2: Convert to fraction form
2,545,305.94/3,512,431.83 = 1,399,377.94/x - Step 3: Cross multiply
2,545,305.94x = 3,512,431.83 × 1,399,377.94 - Step 4: Simplify right side
2,545,305.94x = 4,915,219,622,189.24 - Step 5: Solve for x
x = 4,915,219,622,189.24/2,545,305.94 - Step 6: Final answer
x = 1,931,091.87
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1.5x scale
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.