Finding the Fourth Proportional to 2,125,579.56, 2,933,193.78 and 1,207,687.46
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Solution
The fourth proportional to 2,125,579.56, 2,933,193.78 and 1,207,687.46 is: 1,666,548.46
Step by Step Solution
- Step 1: Write the proportion equation
2,125,579.56 : 2,933,193.78 = 1,207,687.46 : x - Step 2: Convert to fraction form
2,125,579.56/2,933,193.78 = 1,207,687.46/x - Step 3: Cross multiply
2,125,579.56x = 2,933,193.78 × 1,207,687.46 - Step 4: Simplify right side
2,125,579.56x = 3,542,381,345,856.00 - Step 5: Solve for x
x = 3,542,381,345,856.00/2,125,579.56 - Step 6: Final answer
x = 1,666,548.46
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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.