Finding the Fourth Proportional to 2,265,086.12, 3,125,819.49 and 1,246,490.87
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Solution
The fourth proportional to 2,265,086.12, 3,125,819.49 and 1,246,490.87 is: 1,720,157.76
Step by Step Solution
- Step 1: Write the proportion equation
2,265,086.12 : 3,125,819.49 = 1,246,490.87 : x - Step 2: Convert to fraction form
2,265,086.12/3,125,819.49 = 1,246,490.87/x - Step 3: Cross multiply
2,265,086.12x = 3,125,819.49 × 1,246,490.87 - Step 4: Simplify right side
2,265,086.12x = 3,896,305,455,553.06 - Step 5: Solve for x
x = 3,896,305,455,553.06/2,265,086.12 - Step 6: Final answer
x = 1,720,157.76
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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.