Finding the Fourth Proportional to 5,115,311.73, 7,059,130.81 and 2,823,473.03
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Solution
The fourth proportional to 5,115,311.73, 7,059,130.81 and 2,823,473.03 is: 3,896,393.12
Step by Step Solution
- Step 1: Write the proportion equation
5,115,311.73 : 7,059,130.81 = 2,823,473.03 : x - Step 2: Convert to fraction form
5,115,311.73/7,059,130.81 = 2,823,473.03/x - Step 3: Cross multiply
5,115,311.73x = 7,059,130.81 × 2,823,473.03 - Step 4: Simplify right side
5,115,311.73x = 19,931,265,414,922.72 - Step 5: Solve for x
x = 19,931,265,414,922.72/5,115,311.73 - Step 6: Final answer
x = 3,896,393.12
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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.