Finding the Fourth Proportional to 3,399,367.41, 4,691,465.91 and 2,538,432.99
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Solution
The fourth proportional to 3,399,367.41, 4,691,465.91 and 2,538,432.99 is: 3,503,290.58
Step by Step Solution
- Step 1: Write the proportion equation
3,399,367.41 : 4,691,465.91 = 2,538,432.99 : x - Step 2: Convert to fraction form
3,399,367.41/4,691,465.91 = 2,538,432.99/x - Step 3: Cross multiply
3,399,367.41x = 4,691,465.91 × 2,538,432.99 - Step 4: Simplify right side
3,399,367.41x = 11,908,971,837,404.37 - Step 5: Solve for x
x = 11,908,971,837,404.37/3,399,367.41 - Step 6: Final answer
x = 3,503,290.58
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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.