Finding the Fourth Proportional to 4,283,338.62, 6,422,941.22 and 2,486,674.38
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Solution
The fourth proportional to 4,283,338.62, 6,422,941.22 and 2,486,674.38 is: 3,728,811.75
Step by Step Solution
- Step 1: Write the proportion equation
4,283,338.62 : 6,422,941.22 = 2,486,674.38 : x - Step 2: Convert to fraction form
4,283,338.62/6,422,941.22 = 2,486,674.38/x - Step 3: Cross multiply
4,283,338.62x = 6,422,941.22 × 2,486,674.38 - Step 4: Simplify right side
4,283,338.62x = 15,971,763,376,019.94 - Step 5: Solve for x
x = 15,971,763,376,019.94/4,283,338.62 - Step 6: Final answer
x = 3,728,811.75
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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.