Finding the Fourth Proportional to 7,728,092.34, 11,593,475.28 and 2,610,559.49
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Solution
The fourth proportional to 7,728,092.34, 11,593,475.28 and 2,610,559.49 is: 3,916,290.80
Step by Step Solution
- Step 1: Write the proportion equation
7,728,092.34 : 11,593,475.28 = 2,610,559.49 : x - Step 2: Convert to fraction form
7,728,092.34/11,593,475.28 = 2,610,559.49/x - Step 3: Cross multiply
7,728,092.34x = 11,593,475.28 × 2,610,559.49 - Step 4: Simplify right side
7,728,092.34x = 30,265,456,914,284.41 - Step 5: Solve for x
x = 30,265,456,914,284.41/7,728,092.34 - Step 6: Final answer
x = 3,916,290.80
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.