Finding the Fourth Proportional to 4,163,438.05, 5,743,785.15 and 2,787,225.14
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Solution
The fourth proportional to 4,163,438.05, 5,743,785.15 and 2,787,225.14 is: 3,845,192.89
Step by Step Solution
- Step 1: Write the proportion equation
4,163,438.05 : 5,743,785.15 = 2,787,225.14 : x - Step 2: Convert to fraction form
4,163,438.05/5,743,785.15 = 2,787,225.14/x - Step 3: Cross multiply
4,163,438.05x = 5,743,785.15 × 2,787,225.14 - Step 4: Simplify right side
4,163,438.05x = 16,009,222,368,838.67 - Step 5: Solve for x
x = 16,009,222,368,838.67/4,163,438.05 - Step 6: Final answer
x = 3,845,192.89
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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.