Finding the Fourth Proportional to 3,122,838.36, 4,684,289.94 and 1,100,705.49
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Solution
The fourth proportional to 3,122,838.36, 4,684,289.94 and 1,100,705.49 is: 1,651,069.66
Step by Step Solution
- Step 1: Write the proportion equation
3,122,838.36 : 4,684,289.94 = 1,100,705.49 : x - Step 2: Convert to fraction form
3,122,838.36/4,684,289.94 = 1,100,705.49/x - Step 3: Cross multiply
3,122,838.36x = 4,684,289.94 × 1,100,705.49 - Step 4: Simplify right side
3,122,838.36x = 5,156,023,653,709.77 - Step 5: Solve for x
x = 5,156,023,653,709.77/3,122,838.36 - Step 6: Final answer
x = 1,651,069.66
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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.