Finding the Fourth Proportional to 5,103,793.54, 7,043,231.23 and 2,811,954.23
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Solution
The fourth proportional to 5,103,793.54, 7,043,231.23 and 2,811,954.23 is: 3,880,494.71
Step by Step Solution
- Step 1: Write the proportion equation
5,103,793.54 : 7,043,231.23 = 2,811,954.23 : x - Step 2: Convert to fraction form
5,103,793.54/7,043,231.23 = 2,811,954.23/x - Step 3: Cross multiply
5,103,793.54x = 7,043,231.23 × 2,811,954.23 - Step 4: Simplify right side
5,103,793.54x = 19,805,243,850,066.61 - Step 5: Solve for x
x = 19,805,243,850,066.61/5,103,793.54 - Step 6: Final answer
x = 3,880,494.71
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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.