Finding the Fourth Proportional to 2,135,454.22, 2,946,471.06 and 1,264,562.49
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Solution
The fourth proportional to 2,135,454.22, 2,946,471.06 and 1,264,562.49 is: 1,744,826.34
Step by Step Solution
- Step 1: Write the proportion equation
2,135,454.22 : 2,946,471.06 = 1,264,562.49 : x - Step 2: Convert to fraction form
2,135,454.22/2,946,471.06 = 1,264,562.49/x - Step 3: Cross multiply
2,135,454.22x = 2,946,471.06 × 1,264,562.49 - Step 4: Simplify right side
2,135,454.22x = 3,725,996,780,346.54 - Step 5: Solve for x
x = 3,725,996,780,346.54/2,135,454.22 - Step 6: Final answer
x = 1,744,826.34
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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.