Finding the Fourth Proportional to 5,134,930.14, 7,086,424.83 and 2,843,090.70
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Solution
The fourth proportional to 5,134,930.14, 7,086,424.83 and 2,843,090.70 is: 3,923,587.66
Step by Step Solution
- Step 1: Write the proportion equation
5,134,930.14 : 7,086,424.83 = 2,843,090.70 : x - Step 2: Convert to fraction form
5,134,930.14/7,086,424.83 = 2,843,090.70/x - Step 3: Cross multiply
5,134,930.14x = 7,086,424.83 × 2,843,090.70 - Step 4: Simplify right side
5,134,930.14x = 20,147,348,530,422.08 - Step 5: Solve for x
x = 20,147,348,530,422.08/5,134,930.14 - Step 6: Final answer
x = 3,923,587.66
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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.