Finding the Fourth Proportional to 4,170,659.40, 6,248,115.90 and 2,141,998.20
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Solution
The fourth proportional to 4,170,659.40, 6,248,115.90 and 2,141,998.20 is: 3,208,953.72
Step by Step Solution
- Step 1: Write the proportion equation
4,170,659.40 : 6,248,115.90 = 2,141,998.20 : x - Step 2: Convert to fraction form
4,170,659.40/6,248,115.90 = 2,141,998.20/x - Step 3: Cross multiply
4,170,659.40x = 6,248,115.90 × 2,141,998.20 - Step 4: Simplify right side
4,170,659.40x = 13,383,453,011,191.38 - Step 5: Solve for x
x = 13,383,453,011,191.38/4,170,659.40 - Step 6: Final answer
x = 3,208,953.72
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1.5x scale
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.