Finding the Fourth Proportional to 2,102,636.96, 2,901,638.61 and 1,135,767.29
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Solution
The fourth proportional to 2,102,636.96, 2,901,638.61 and 1,135,767.29 is: 1,567,358.65
Step by Step Solution
- Step 1: Write the proportion equation
2,102,636.96 : 2,901,638.61 = 1,135,767.29 : x - Step 2: Convert to fraction form
2,102,636.96/2,901,638.61 = 1,135,767.29/x - Step 3: Cross multiply
2,102,636.96x = 2,901,638.61 × 1,135,767.29 - Step 4: Simplify right side
2,102,636.96x = 3,295,586,220,639.07 - Step 5: Solve for x
x = 3,295,586,220,639.07/2,102,636.96 - Step 6: Final answer
x = 1,567,358.65
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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.