Finding the Fourth Proportional to 6,638,404.68, 9,958,658.40 and 2,378,478.60
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Solution
The fourth proportional to 6,638,404.68, 9,958,658.40 and 2,378,478.60 is: 3,568,094.60
Step by Step Solution
- Step 1: Write the proportion equation
6,638,404.68 : 9,958,658.40 = 2,378,478.60 : x - Step 2: Convert to fraction form
6,638,404.68/9,958,658.40 = 2,378,478.60/x - Step 3: Cross multiply
6,638,404.68x = 9,958,658.40 × 2,378,478.60 - Step 4: Simplify right side
6,638,404.68x = 23,686,455,889,110.24 - Step 5: Solve for x
x = 23,686,455,889,110.24/6,638,404.68 - Step 6: Final answer
x = 3,568,094.60
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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.