Finding the Fourth Proportional to 7,379,600.24, 11,069,731.92 and 2,261,655.20
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Solution
The fourth proportional to 7,379,600.24, 11,069,731.92 and 2,261,655.20 is: 3,392,584.41
Step by Step Solution
- Step 1: Write the proportion equation
7,379,600.24 : 11,069,731.92 = 2,261,655.20 : x - Step 2: Convert to fraction form
7,379,600.24/11,069,731.92 = 2,261,655.20/x - Step 3: Cross multiply
7,379,600.24x = 11,069,731.92 × 2,261,655.20 - Step 4: Simplify right side
7,379,600.24x = 25,035,916,759,473.98 - Step 5: Solve for x
x = 25,035,916,759,473.98/7,379,600.24 - Step 6: Final answer
x = 3,392,584.41
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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.