Finding the Fourth Proportional to 5,328,765.97, 7,353,691.86 and 2,881,371.16
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Solution
The fourth proportional to 5,328,765.97, 7,353,691.86 and 2,881,371.16 is: 3,976,289.40
Step by Step Solution
- Step 1: Write the proportion equation
5,328,765.97 : 7,353,691.86 = 2,881,371.16 : x - Step 2: Convert to fraction form
5,328,765.97/7,353,691.86 = 2,881,371.16/x - Step 3: Cross multiply
5,328,765.97x = 7,353,691.86 × 2,881,371.16 - Step 4: Simplify right side
5,328,765.97x = 21,188,715,643,317.73 - Step 5: Solve for x
x = 21,188,715,643,317.73/5,328,765.97 - Step 6: Final answer
x = 3,976,289.40
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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.