Finding the Fourth Proportional to 2,659,863.37, 3,990,355.47 and 862,606.70
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Solution
The fourth proportional to 2,659,863.37, 3,990,355.47 and 862,606.70 is: 1,294,091.80
Step by Step Solution
- Step 1: Write the proportion equation
2,659,863.37 : 3,990,355.47 = 862,606.70 : x - Step 2: Convert to fraction form
2,659,863.37/3,990,355.47 = 862,606.70/x - Step 3: Cross multiply
2,659,863.37x = 3,990,355.47 × 862,606.70 - Step 4: Simplify right side
2,659,863.37x = 3,442,107,363,803.65 - Step 5: Solve for x
x = 3,442,107,363,803.65/2,659,863.37 - Step 6: Final answer
x = 1,294,091.80
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.