Finding the Fourth Proportional to 4,448,028.20, 6,138,847.40 and 2,488,015.19
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Solution
The fourth proportional to 4,448,028.20, 6,138,847.40 and 2,488,015.19 is: 3,433,778.95
Step by Step Solution
- Step 1: Write the proportion equation
4,448,028.20 : 6,138,847.40 = 2,488,015.19 : x - Step 2: Convert to fraction form
4,448,028.20/6,138,847.40 = 2,488,015.19/x - Step 3: Cross multiply
4,448,028.20x = 6,138,847.40 × 2,488,015.19 - Step 4: Simplify right side
4,448,028.20x = 15,273,545,583,199.05 - Step 5: Solve for x
x = 15,273,545,583,199.05/4,448,028.20 - Step 6: Final answer
x = 3,433,778.95
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.