Finding the Fourth Proportional to 2,102,637.17, 2,901,640.41 and 1,135,767.44
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Solution
The fourth proportional to 2,102,637.17, 2,901,640.41 and 1,135,767.44 is: 1,567,359.67
Step by Step Solution
- Step 1: Write the proportion equation
2,102,637.17 : 2,901,640.41 = 1,135,767.44 : x - Step 2: Convert to fraction form
2,102,637.17/2,901,640.41 = 1,135,767.44/x - Step 3: Cross multiply
2,102,637.17x = 2,901,640.41 × 1,135,767.44 - Step 4: Simplify right side
2,102,637.17x = 3,295,588,685,758.05 - Step 5: Solve for x
x = 3,295,588,685,758.05/2,102,637.17 - Step 6: Final answer
x = 1,567,359.67
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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.