Finding the Fourth Proportional to 7,328,149.58, 10,992,317.85 and 1,936,753.40
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Solution
The fourth proportional to 7,328,149.58, 10,992,317.85 and 1,936,753.40 is: 2,905,154.80
Step by Step Solution
- Step 1: Write the proportion equation
7,328,149.58 : 10,992,317.85 = 1,936,753.40 : x - Step 2: Convert to fraction form
7,328,149.58/10,992,317.85 = 1,936,753.40/x - Step 3: Cross multiply
7,328,149.58x = 10,992,317.85 × 1,936,753.40 - Step 4: Simplify right side
7,328,149.58x = 21,289,408,914,906.60 - Step 5: Solve for x
x = 21,289,408,914,906.60/7,328,149.58 - Step 6: Final answer
x = 2,905,154.80
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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.