Finding the Fourth Proportional to 7,841,928.80, 11,762,893.20 and 2,084,651.30
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Solution
The fourth proportional to 7,841,928.80, 11,762,893.20 and 2,084,651.30 is: 3,126,976.95
Step by Step Solution
- Step 1: Write the proportion equation
7,841,928.80 : 11,762,893.20 = 2,084,651.30 : x - Step 2: Convert to fraction form
7,841,928.80/11,762,893.20 = 2,084,651.30/x - Step 3: Cross multiply
7,841,928.80x = 11,762,893.20 × 2,084,651.30 - Step 4: Simplify right side
7,841,928.80x = 24,521,530,601,141.16 - Step 5: Solve for x
x = 24,521,530,601,141.16/7,841,928.80 - Step 6: Final answer
x = 3,126,976.95
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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.