Finding the Fourth Proportional to 7,380,518.68, 11,070,712.14 and 2,331,829
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Solution
The fourth proportional to 7,380,518.68, 11,070,712.14 and 2,331,829 is: 3,497,722.69
Step by Step Solution
- Step 1: Write the proportion equation
7,380,518.68 : 11,070,712.14 = 2,331,829 : x - Step 2: Convert to fraction form
7,380,518.68/11,070,712.14 = 2,331,829/x - Step 3: Cross multiply
7,380,518.68x = 11,070,712.14 × 2,331,829 - Step 4: Simplify right side
7,380,518.68x = 25,815,007,618,704.06 - Step 5: Solve for x
x = 25,815,007,618,704.06/7,380,518.68 - Step 6: Final answer
x = 3,497,722.69
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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.