Finding the Fourth Proportional to 4,826,664.56, 6,660,785.04 and 2,651,202.20
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Solution
The fourth proportional to 4,826,664.56, 6,660,785.04 and 2,651,202.20 is: 3,658,652.42
Step by Step Solution
- Step 1: Write the proportion equation
4,826,664.56 : 6,660,785.04 = 2,651,202.20 : x - Step 2: Convert to fraction form
4,826,664.56/6,660,785.04 = 2,651,202.20/x - Step 3: Cross multiply
4,826,664.56x = 6,660,785.04 × 2,651,202.20 - Step 4: Simplify right side
4,826,664.56x = 17,659,087,951,775.09 - Step 5: Solve for x
x = 17,659,087,951,775.09/4,826,664.56 - Step 6: Final answer
x = 3,658,652.42
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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.