Finding the Fourth Proportional to 3,399,369.41, 4,691,468.67 and 2,538,434.99
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Solution
The fourth proportional to 3,399,369.41, 4,691,468.67 and 2,538,434.99 is: 3,503,293.34
Step by Step Solution
- Step 1: Write the proportion equation
3,399,369.41 : 4,691,468.67 = 2,538,434.99 : x - Step 2: Convert to fraction form
3,399,369.41/4,691,468.67 = 2,538,434.99/x - Step 3: Cross multiply
3,399,369.41x = 4,691,468.67 × 2,538,434.99 - Step 4: Simplify right side
3,399,369.41x = 11,908,988,226,416.76 - Step 5: Solve for x
x = 11,908,988,226,416.76/3,399,369.41 - Step 6: Final answer
x = 3,503,293.34
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1.5x scale
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.