Finding the Fourth Proportional to 3,448,670.05, 4,758,807.35 and 2,123,884.18
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Solution
The fourth proportional to 3,448,670.05, 4,758,807.35 and 2,123,884.18 is: 2,930,740.11
Step by Step Solution
- Step 1: Write the proportion equation
3,448,670.05 : 4,758,807.35 = 2,123,884.18 : x - Step 2: Convert to fraction form
3,448,670.05/4,758,807.35 = 2,123,884.18/x - Step 3: Cross multiply
3,448,670.05x = 4,758,807.35 × 2,123,884.18 - Step 4: Simplify right side
3,448,670.05x = 10,107,155,611,919.26 - Step 5: Solve for x
x = 10,107,155,611,919.26/3,448,670.05 - Step 6: Final answer
x = 2,930,740.11
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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.