Finding the Fourth Proportional to 4,239,239.25, 5,847,659.69 and 2,666,870.58
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Solution
The fourth proportional to 4,239,239.25, 5,847,659.69 and 2,666,870.58 is: 3,678,714.66
Step by Step Solution
- Step 1: Write the proportion equation
4,239,239.25 : 5,847,659.69 = 2,666,870.58 : x - Step 2: Convert to fraction form
4,239,239.25/5,847,659.69 = 2,666,870.58/x - Step 3: Cross multiply
4,239,239.25x = 5,847,659.69 × 2,666,870.58 - Step 4: Simplify right side
4,239,239.25x = 15,594,951,575,778.57 - Step 5: Solve for x
x = 15,594,951,575,778.57/4,239,239.25 - Step 6: Final answer
x = 3,678,714.66
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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.