Finding the Fourth Proportional to 2,815,786.14, 3,885,798.87 and 2,714,076.06
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Solution
The fourth proportional to 2,815,786.14, 3,885,798.87 and 2,714,076.06 is: 3,745,438.45
Step by Step Solution
- Step 1: Write the proportion equation
2,815,786.14 : 3,885,798.87 = 2,714,076.06 : x - Step 2: Convert to fraction form
2,815,786.14/3,885,798.87 = 2,714,076.06/x - Step 3: Cross multiply
2,815,786.14x = 3,885,798.87 × 2,714,076.06 - Step 4: Simplify right side
2,815,786.14x = 10,546,353,687,042.05 - Step 5: Solve for x
x = 10,546,353,687,042.05/2,815,786.14 - Step 6: Final answer
x = 3,745,438.45
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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.