Finding the Fourth Proportional to 4,648,942.36, 6,961,815.91 and 2,937,923.78
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Solution
The fourth proportional to 4,648,942.36, 6,961,815.91 and 2,937,923.78 is: 4,399,556.48
Step by Step Solution
- Step 1: Write the proportion equation
4,648,942.36 : 6,961,815.91 = 2,937,923.78 : x - Step 2: Convert to fraction form
4,648,942.36/6,961,815.91 = 2,937,923.78/x - Step 3: Cross multiply
4,648,942.36x = 6,961,815.91 × 2,937,923.78 - Step 4: Simplify right side
4,648,942.36x = 20,453,284,482,834.66 - Step 5: Solve for x
x = 20,453,284,482,834.66/4,648,942.36 - Step 6: Final answer
x = 4,399,556.48
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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.